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Lars Hahn 2023-08-20 10:31:08 +02:00
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MIT License
Copyright (c) <year> <copyright holders>
Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

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# cloud-modoboa
Ansible role to provide Modoboa as EMail server; currently still in development.

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defaults/main.yml Executable file
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---
# HCS
hcs_update: false
hcs_name: "cloud"
hcs_home: "/{{ hcs_name }}"
hcs_domain_external: "my-domain.tld"
hcs_app_folder: /app
hcs_shared_group: "hcs"
hcs_python_envs: "{{ hcs_app_folder }}/pyenv"
hcs_storage: /storage
# Modoboa
modoboa_user: modoboa
modoboa_url: "mail.{{ hcs_domain_external }}"
modoboa_instance_folder: "{{ hcs_app_folder }}/modoboa"
modoboa_instance: "{{ modoboa_url.split('.')[:-1] | join('') | regex_replace('[^a-zA-Z0-9]+','') }}"
modoboa_db_type: pgsql
modoboa_db_host: localhost
modoboa_db_configs:
dbname: modoboa
dbuser: modoboa
dbpass: modoboapassword
modoboa_storage: "{{ hcs_storage }}/modoboa"
modoboa_version:
psycopg2_version: 2.8.6
# Gunicorn
gunicorn_loglevel: info
gunicorn_backlog: 2048 #number of pending connections
gunicorn_workers: 2 # is mostly 2-4 * CPU
# Dovecot
dovcot_target_instance: "{{ modoboa_instance_folder }}/{{ modoboa_instance }}"
dovecot_config:
- "protocols = imap pop3 lmtp"
- "instance_name = {{ modoboa_instance }}"
dovecot_process_limit: 32
dovecot_mailplugins:
- quota
# Postfix
postfix_mapping_folder: "{{ postfix_dir }}/mappings"
# OpenDKIM
opendkim_port_listen: 12345
opendkim_config_lines:
- "SOCKET=inet:{{ opendkim_port_listen }}@localhost"
opendkim_config_lines_off:
- "SOCKET=local:$RUNDIR/opendkim.sock"

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CREATE OR REPLACE FUNCTION merge_quota() RETURNS TRIGGER AS $$
BEGIN
IF NEW.messages < 0 OR NEW.messages IS NULL THEN
-- ugly kludge: we came here from this function, really do try to insert
IF NEW.messages IS NULL THEN
NEW.messages = 0;
ELSE
NEW.messages = -NEW.messages;
END IF;
return NEW;
END IF;
LOOP
UPDATE admin_quota SET bytes = bytes + NEW.bytes,
messages = messages + NEW.messages
WHERE username = NEW.username;
IF found THEN
RETURN NULL;
END IF;
BEGIN
IF NEW.messages = 0 THEN
RETURN NEW;
ELSE
NEW.messages = - NEW.messages;
return NEW;
END IF;
EXCEPTION WHEN unique_violation THEN
-- someone just inserted the record, update it
END;
END LOOP;
END;
$$ LANGUAGE plpgsql;
DROP TRIGGER IF EXISTS mergequota ON admin_quota;
CREATE TRIGGER mergequota BEFORE INSERT ON admin_quota
FOR EACH ROW EXECUTE PROCEDURE merge_quota();

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---
- name: reload gunicorn
systemd:
name: gunicorn
state: reloaded
daemon_reload: yes
- name: update modoboa db quota schema
shell: "psql -d {{ modoboa_db_configs.dbname }} -c '{{ dovecot_pgsql_db_adjustment | join(\"\") }}'"
become: yes
become_user: "{{ modoboa_user }}"
listen: quota update
- name: run quota update script
shell: "psql -d {{ modoboa_db_configs.dbname }} -c '{{ lookup(\"file\",\"files/quota_update_script.sql\") }}'"
become: yes
become_user: "{{ modoboa_user }}"
listen: quota update
- name: restart dovecot
systemd:
name: dovecot
state: restarted
daemon_reload: yes
- name: postfix mappings setup
shell:
cmd: >
{{ modoboa_py_venv_bin }}/python3 manage.py generate_postfix_maps --destdir {{ postfix_mapping_folder }}
chdir: "{{ modoboa_instance_folder }}/{{ modoboa_instance }}"
- name: reload postfix
systemd:
name: postfix
state: reloaded
daemon_reload: yes
listen: opendkim update
- name: update DB for odkim key definition
shell: "psql -d {{ modoboa_db_configs.dbname }} -c '{{ opendkim_update_sql }}'"
become: yes
become_user: "{{ modoboa_user }}"
listen: opendkim update
- name: restart opendkim
systemd:
name: opendkim
state: restarted
daemon_reload: yes

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---
galaxy_info:
role_name: modoboa
namespace: hahn-cloud
author: Lars Hahn
company: Data Learning
license: MIT
description: Role to setup Modoboa as an email server MDA; uses postfix, dovecot and opendkim in backend to an nginx server.
min_ansible_version: 2.7
platforms:
- name: Debian
versions:
- 10
galaxy_tags:
- modoboa
dependencies:
- postgres

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- name: install requirements for Dovecot
apt:
update_cache: yes
state: "{% if hcs_update | bool %}latest{% else %}present{% endif %}"
install_recommends: yes
pkg:
- dovecot-core
- dovecot-imapd
- dovecot-pop3d
- dovecot-lmtpd
- dovecot-mysql
- dovecot-pgsql
- dovecot-sieve
- dovecot-managesieved
- dovecot-antispam
- name: setup modoboa management with dovecot every minute for modoboa user
cron:
name: manage modoboa
user: "vmail"
job: "{{ modoboa_py_venv_bin }}/python3 {{ dovcot_target_instance }}/manage.py handle_mailbox_operations"
notify: restart dovecot
- name: setup dovecot configuration
template:
src: etc/dovecot/dovecot.conf.j2
dest: "{{ dovecot_dir }}/dovecot.conf"
mode: 0664
group: "{{ modoboa_user }}"
- name: "setup db-engine sql connection for db type {{ modoboa_db_type }}"
template:
src: "etc/dovecot/dovecot-{{ modoboa_db_type }}.conf.ext.j2"
dest: "{{ dovecot_dir }}/dovecot-sql.conf.ext"
mode: 0664
group: "{{ modoboa_user }}"
notify: restart dovecot
- name: setup required configs
template:
src: "etc/dovecot/conf.d/{{ config }}.j2"
dest: "{{ dovecot_dir }}/conf.d/{{ config }}"
mode: 0664
group: "{{ modoboa_user }}"
loop:
- 10-mail.conf
- 10-auth.conf
- 10-master.conf
- 10-ssl.conf
- 15-lda.conf
- 20-imap.conf
- 20-lmtp.conf
- 20-managesieve.conf
- 90-sieve.conf
- auth-sql.conf.ext
loop_control:
loop_var: config
label: "{{ config }}"
notify: restart dovecot
- name: setup quota config
template:
src: "etc/dovecot/conf.d/90-quota.conf.j2"
dest: "{{ dovecot_dir }}/conf.d/90-quota.conf"
mode: 0644
group: "{{ modoboa_user }}"
# notify: quota update
notify: restart dovecot
- name: setup postlogin script
template:
src: "usr/local/bin/postlogin_{{ modoboa_db_type }}.sh"
dest: "{{ dovecot_sieve_exec }}"
mode: 0775
group: "{{ modoboa_user }}"
notify: restart dovecot
- name: enable dovecot systemd unit
systemd:
name: dovecot
enabled: yes
daemon_reload: yes
state: started

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---
- name: install Gunicorn with dedicated pip virtualenv
pip:
name:
- gunicorn
state: "{% if hcs_update | bool %}latest{% else %}present{% endif %}"
virtualenv: "{{ modoboa_py_venv }}"
- name: setup required logging folder
file:
state: directory
path: "{{ prefix }}/gunicorn"
loop:
- /var/log
- /var/run
loop_control:
loop_var: prefix
label: "{{ prefix }}/gunicorn"
- name: setup gunicorn modoboa config
template:
src: app/modoboa/instance/gunicorn.conf.py.j2
dest: "{{ modoboa_instance_folder }}/{{ modoboa_instance }}/gunicorn.conf.py"
mode: 0740
group: www-data
notify: reload gunicorn
- name: setup gunicorn service unit
template:
src: etc/systemd/system/gunicorn.service.j2
dest: /etc/systemd/system/gunicorn.service
mode: 0755
notify: reload gunicorn
- name: enable gunicorn systemd unit
systemd:
name: gunicorn
enabled: yes
daemon_reload: yes
state: started

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---
- name: install requirements for Modoboa
apt:
update_cache: yes
state: "{% if hcs_update | bool %}latest{% else %}present{% endif %}"
install_recommends: yes
pkg:
- python3-dev
- build-essential
- libxml2-dev
- libxslt-dev
- libjpeg-dev
- librrd-dev
- rrdtool
- libffi-dev
- libssl-dev
- virtualenv
- libexttextcat-2.0-0
- libexttextcat-data
- libopendbx1-pgsql
- liblua5.3-0
- libstemmer0d
- libpq-dev
- name: Setup required groups of users
group:
name: "{{ group }}"
state: present
loop:
- "{{ modoboa_user }}"
- "vmail"
loop_control:
loop_var: group
label: "{{ group }}"
- name: setup modoboa user
user:
name: "vmail"
group: "vmail"
groups:
- "vmail"
comment: Virtual Mail User
shell: /sbin/nologin
state: present
- name: setup modoboa user
user:
name: "{{ modoboa_user }}"
group: "{{ modoboa_user }}"
groups:
- "{{ modoboa_user }}"
- "{{ hcs_shared_group }}"
- "www-data"
comment: Modoboa
shell: /sbin/nologin
state: present
register: modoboa_user_stat
- name: setup modoboa instance folder
file:
path: "{{ modoboa_instance_folder }}"
state: directory
mode: 0750
owner: "root"
group: "www-data"
- name: setup modoboa storage
file:
path: "{{ modoboa_storage }}"
state: directory
mode: 0770
owner: "vmail"
group: "{{ modoboa_user }}"
- include_tasks: modoboa.yml
- include_tasks: gunicorn.yml
- include_tasks: dovecot.yml
- include_tasks: postfix.yml
- include_tasks: opendkim.yml

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---
- name: install Modoboa with dedicated pip virtualenv
pip:
name:
- "modoboa{% if modoboa_version is defined and modoboa_version is not none and modoboa_version != ''%}=={{ modoboa_version }}{% endif %}"
- "psycopg2-binary{% if psycopg2_version is defined and psycopg2_version is not none and psycopg2_version != ''%}=={{ psycopg2_version }}{% endif %}"
state: "{% if hcs_update | bool %}latest{% else %}present{% endif %}"
virtualenv: "{{ modoboa_py_venv }}"
- name: deploy modoboa instance
shell:
cmd: >
{{ modoboa_py_venv_bin }}/python3 {{ modoboa_py_venv_bin }}/modoboa-admin.py
deploy {{ modoboa_instance }}
--collectstatic
--domain {{ modoboa_url }}
--dburl default:{% if modoboa_db_type == 'pgsql' %}postgres{% else %}{{ modoboa_db_type }}{% endif %}://{{ modoboa_db_configs.dbuser }}:{{ modoboa_db_configs.dbpass }}@{{ modoboa_db_host }}/{{ modoboa_db_configs.dbname }}
--extensions {{ modoboa_extensions | join(' ') }}
chdir: "{{ modoboa_instance_folder }}"
creates: "{{ modoboa_instance_folder }}/{{ modoboa_instance }}"
- name: setup cronjobs for modoboa functionality
template:
src: "etc/cron.d/modoboa.j2"
dest: "/etc/cron.d/modoboa"

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---
- name: install requirements for Postfix
apt:
update_cache: yes
state: "{% if hcs_update | bool %}latest{% else %}present{% endif %}"
install_recommends: yes
pkg:
- opendkim
- name: Setup opendkim config
template:
src: etc/opendkim.conf.j2
dest: /etc/opendkim.conf
group: "{{ modoboa_user }}"
mode: 0640
notify: "opendkim update"
- name: off-setup opendkim configuration
lineinfile:
path: "/etc/default/opendkim"
regexp: '^{{ configline.split("=")[0]}}='
line: "#{{ configline }}"
backrefs: yes
group: "{{ modoboa_user }}"
mode: 0640
loop: "{{ opendkim_config_lines_off }}"
loop_control:
loop_var: configline
label: "#{{ configline }}"
notify: restart opendkim
- name: setup default opendkim config
lineinfile:
path: "/etc/default/opendkim"
regexp: '^#?{{ configline.split("=")[0]}}='
line: "{{ configline }}"
group: "{{ modoboa_user }}"
mode: 0640
loop: "{{ opendkim_config_lines }}"
loop_control:
loop_var: configline
label: "{{ configline }}"
notify: restart opendkim
- name: enable opendkim systemd unit
systemd:
name: opendkim
enabled: yes
daemon_reload: yes
state: started

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---
- name: install requirements for Postfix
apt:
update_cache: yes
state: "{% if hcs_update | bool %}latest{% else %}present{% endif %}"
install_recommends: yes
pkg:
- postfix
- postfix-pgsql
- postfix-mysql
- name: install Postfix pip requirements with dedicated pip virtualenv
pip:
name:
- psycopg2-binary
state: "{% if hcs_update | bool %}latest{% else %}present{% endif %}"
virtualenv: "{{ modoboa_py_venv }}"
- name: setup folder for postfix mapping files
file:
state: directory
path: "{{ postfix_mapping_folder }}"
mode: 0660
notify: postfix mappings setup
- name: setup postfix config
template:
src: etc/postfix/main.cf.j2
dest: "{{ postfix_dir }}/main.cf"
owner: "root"
group: "modoboa"
mode: 0664
notify: reload postfix
- name: enable postfix systemd unit
systemd:
name: postfix
enabled: yes
daemon_reload: yes
state: started

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backlog = {{ gunicorn_backlog }}
bind = "unix:/run/gunicorn/{{ modoboa_instance }}.sock"
pidfile = "/run/gunicorn/{{ modoboa_instance }}.pid"
daemon = False
workers = {{ gunicorn_workers }}
accesslog = "/var/log/gunicorn/{{ modoboa_instance }}.access.log"
errorlog = "/var/log/gunicorn/{{ modoboa_instance }}.error.log"
loglevel = "{{ gunicorn_loglevel }}"

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#
# Modoboa specific cron jobs
#
PYTHON={{ modoboa_py_venv_bin }}/python3
INSTANCE={{ modoboa_instance_folder }}/{{ modoboa_instance }}
# Operations on mailboxes
* * * * * vmail $PYTHON $INSTANCE/manage.py handle_mailbox_operations
# Generate DKIM keys (they will belong to the user running this job)
* * * * * root umask 077 && $PYTHON $INSTANCE/manage.py modo manage_dkim_keys
# Sessions table cleanup
0 0 * * * modoboa $PYTHON $INSTANCE/manage.py clearsessions
# Logs table cleanup
0 0 * * * modoboa $PYTHON $INSTANCE/manage.py cleanlogs
# DNSBL checks
*/30 * * * * modoboa $PYTHON $INSTANCE/manage.py modo check_mx
# Public API communication
0 * * * * modoboa $PYTHON $INSTANCE/manage.py communicate_with_public_api

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##
## Authentication processes
##
# Disable LOGIN command and all other plaintext authentications unless
# SSL/TLS is used (LOGINDISABLED capability). Note that if the remote IP
# matches the local IP (ie. you're connecting from the same computer), the
# connection is considered secure and plaintext authentication is allowed.
# See also ssl=required setting.
#disable_plaintext_auth = yes
# Authentication cache size (e.g. 10M). 0 means it's disabled. Note that
# bsdauth, PAM and vpopmail require cache_key to be set for caching to be used.
#auth_cache_size = 0
# Time to live for cached data. After TTL expires the cached record is no
# longer used, *except* if the main database lookup returns internal failure.
# We also try to handle password changes automatically: If user's previous
# authentication was successful, but this one wasn't, the cache isn't used.
# For now this works only with plaintext authentication.
#auth_cache_ttl = 1 hour
# TTL for negative hits (user not found, password mismatch).
# 0 disables caching them completely.
#auth_cache_negative_ttl = 1 hour
# Space separated list of realms for SASL authentication mechanisms that need
# them. You can leave it empty if you don't want to support multiple realms.
# Many clients simply use the first one listed here, so keep the default realm
# first.
#auth_realms =
# Default realm/domain to use if none was specified. This is used for both
# SASL realms and appending @domain to username in plaintext logins.
#auth_default_realm =
# List of allowed characters in username. If the user-given username contains
# a character not listed in here, the login automatically fails. This is just
# an extra check to make sure user can't exploit any potential quote escaping
# vulnerabilities with SQL/LDAP databases. If you want to allow all characters,
# set this value to empty.
#auth_username_chars = abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ01234567890.-_@
# Username character translations before it's looked up from databases. The
# value contains series of from -> to characters. For example "#@/@" means
# that '#' and '/' characters are translated to '@'.
#auth_username_translation =
# Username formatting before it's looked up from databases. You can use
# the standard variables here, eg. %Lu would lowercase the username, %n would
# drop away the domain if it was given, or "%n-AT-%d" would change the '@' into
# "-AT-". This translation is done after auth_username_translation changes.
auth_username_format = %Lu
# If you want to allow master users to log in by specifying the master
# username within the normal username string (ie. not using SASL mechanism's
# support for it), you can specify the separator character here. The format
# is then <username><separator><master username>. UW-IMAP uses "*" as the
# separator, so that could be a good choice.
auth_master_user_separator = *
# Username to use for users logging in with ANONYMOUS SASL mechanism
#auth_anonymous_username = anonymous
# Maximum number of dovecot-auth worker processes. They're used to execute
# blocking passdb and userdb queries (eg. MySQL and PAM). They're
# automatically created and destroyed as needed.
#auth_worker_max_count = 30
# Host name to use in GSSAPI principal names. The default is to use the
# name returned by gethostname(). Use "$ALL" (with quotes) to allow all keytab
# entries.
#auth_gssapi_hostname =
# Kerberos keytab to use for the GSSAPI mechanism. Will use the system
# default (usually /etc/krb5.keytab) if not specified. You may need to change
# the auth service to run as root to be able to read this file.
#auth_krb5_keytab =
# Do NTLM and GSS-SPNEGO authentication using Samba's winbind daemon and
# ntlm_auth helper. <doc/wiki/Authentication/Mechanisms/Winbind.txt>
#auth_use_winbind = no
# Path for Samba's ntlm_auth helper binary.
#auth_winbind_helper_path = /usr/bin/ntlm_auth
# Time to delay before replying to failed authentications.
#auth_failure_delay = 2 secs
# Require a valid SSL client certificate or the authentication fails.
#auth_ssl_require_client_cert = no
# Take the username from client's SSL certificate, using
# X509_NAME_get_text_by_NID() which returns the subject's DN's
# CommonName.
#auth_ssl_username_from_cert = no
# Space separated list of wanted authentication mechanisms:
# plain login digest-md5 cram-md5 ntlm rpa apop anonymous gssapi otp skey
# gss-spnego
# NOTE: See also disable_plaintext_auth setting.
auth_mechanisms = plain login
##
## Password and user databases
##
#
# Password database is used to verify user's password (and nothing more).
# You can have multiple passdbs and userdbs. This is useful if you want to
# allow both system users (/etc/passwd) and virtual users to login without
# duplicating the system users into virtual database.
#
# <doc/wiki/PasswordDatabase.txt>
#
# User database specifies where mails are located and what user/group IDs
# own them. For single-UID configuration use "static" userdb.
#
# <doc/wiki/UserDatabase.txt>
#!include auth-deny.conf.ext
#!include auth-master.conf.ext
#!include auth-system.conf.ext
!include auth-sql.conf.ext
#!include auth-ldap.conf.ext
#!include auth-passwdfile.conf.ext
#!include auth-checkpassword.conf.ext
#!include auth-vpopmail.conf.ext
#!include auth-static.conf.ext

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##
## Mailbox locations and namespaces
##
# Location for users' mailboxes. The default is empty, which means that Dovecot
# tries to find the mailboxes automatically. This won't work if the user
# doesn't yet have any mail, so you should explicitly tell Dovecot the full
# location.
#
# If you're using mbox, giving a path to the INBOX file (eg. /var/mail/%u)
# isn't enough. You'll also need to tell Dovecot where the other mailboxes are
# kept. This is called the "root mail directory", and it must be the first
# path given in the mail_location setting.
#
# There are a few special variables you can use, eg.:
#
# %u - username
# %n - user part in user@domain, same as %u if there's no domain
# %d - domain part in user@domain, empty if there's no domain
# %h - home directory
#
# See doc/wiki/Variables.txt for full list. Some examples:
#
# mail_location = maildir:~/Maildir
# mail_location = mbox:~/mail:INBOX=/var/mail/%u
# mail_location = mbox:/var/mail/%d/%1n/%n:INDEX=/var/indexes/%d/%1n/%n
#
# <doc/wiki/MailLocation.txt>
#
mail_location = maildir:~/Maildir
# If you need to set multiple mailbox locations or want to change default
# namespace settings, you can do it by defining namespace sections.
#
# You can have private, shared and public namespaces. Private namespaces
# are for user's personal mails. Shared namespaces are for accessing other
# users' mailboxes that have been shared. Public namespaces are for shared
# mailboxes that are managed by sysadmin. If you create any shared or public
# namespaces you'll typically want to enable ACL plugin also, otherwise all
# users can access all the shared mailboxes, assuming they have permissions
# on filesystem level to do so.
namespace inbox {
# Namespace type: private, shared or public
#type = private
# Hierarchy separator to use. You should use the same separator for all
# namespaces or some clients get confused. '/' is usually a good one.
# The default however depends on the underlying mail storage format.
#separator =
# Prefix required to access this namespace. This needs to be different for
# all namespaces. For example "Public/".
#prefix =
# Physical location of the mailbox. This is in same format as
# mail_location, which is also the default for it.
#location =
# There can be only one INBOX, and this setting defines which namespace
# has it.
inbox = yes
mailbox Drafts {
auto = subscribe
special_use = \Drafts
}
mailbox Junk {
auto = subscribe
special_use = \Junk
}
mailbox Sent {
auto = subscribe
special_use = \Sent
}
mailbox Trash {
auto = subscribe
special_use = \Trash
}
# If namespace is hidden, it's not advertised to clients via NAMESPACE
# extension. You'll most likely also want to set list=no. This is mostly
# useful when converting from another server with different namespaces which
# you want to deprecate but still keep working. For example you can create
# hidden namespaces with prefixes "~/mail/", "~%u/mail/" and "mail/".
#hidden = no
# Show the mailboxes under this namespace with LIST command. This makes the
# namespace visible for clients that don't support NAMESPACE extension.
# "children" value lists child mailboxes, but hides the namespace prefix.
#list = yes
# Namespace handles its own subscriptions. If set to "no", the parent
# namespace handles them (empty prefix should always have this as "yes")
#subscriptions = yes
# See 15-mailboxes.conf for definitions of special mailboxes.
}
# Example shared namespace configuration
#namespace {
#type = shared
#separator = /
# Mailboxes are visible under "shared/user@domain/"
# %%n, %%d and %%u are expanded to the destination user.
#prefix = shared/%%u/
# Mail location for other users' mailboxes. Note that %variables and ~/
# expands to the logged in user's data. %%n, %%d, %%u and %%h expand to the
# destination user's data.
#location = maildir:%%h/Maildir:INDEX=~/Maildir/shared/%%u
# Use the default namespace for saving subscriptions.
#subscriptions = no
# List the shared/ namespace only if there are visible shared mailboxes.
#list = children
#}
# Should shared INBOX be visible as "shared/user" or "shared/user/INBOX"?
#mail_shared_explicit_inbox = no
# System user and group used to access mails. If you use multiple, userdb
# can override these by returning uid or gid fields. You can use either numbers
# or names. <doc/wiki/UserIds.txt>
#mail_uid =
#mail_gid =
# Group to enable temporarily for privileged operations. Currently this is
# used only with INBOX when either its initial creation or dotlocking fails.
# Typically this is set to "mail" to give access to /var/mail.
#mail_privileged_group = mail
# Grant access to these supplementary groups for mail processes. Typically
# these are used to set up access to shared mailboxes. Note that it may be
# dangerous to set these if users can create symlinks (e.g. if "mail" group is
# set here, ln -s /var/mail ~/mail/var could allow a user to delete others'
# mailboxes, or ln -s /secret/shared/box ~/mail/mybox would allow reading it).
#mail_access_groups =
# Allow full filesystem access to clients. There's no access checks other than
# what the operating system does for the active UID/GID. It works with both
# maildir and mboxes, allowing you to prefix mailboxes names with eg. /path/
# or ~user/.
#mail_full_filesystem_access = no
# Dictionary for key=value mailbox attributes. This is used for example by
# URLAUTH and METADATA extensions.
#mail_attribute_dict =
# A comment or note that is associated with the server. This value is
# accessible for authenticated users through the IMAP METADATA server
# entry "/shared/comment".
#mail_server_comment = ""
# Indicates a method for contacting the server administrator. According to
# RFC 5464, this value MUST be a URI (e.g., a mailto: or tel: URL), but that
# is currently not enforced. Use for example mailto:admin@example.com. This
# value is accessible for authenticated users through the IMAP METADATA server
# entry "/shared/admin".
#mail_server_admin =
##
## Mail processes
##
# Don't use mmap() at all. This is required if you store indexes to shared
# filesystems (NFS or clustered filesystem).
#mmap_disable = no
# Rely on O_EXCL to work when creating dotlock files. NFS supports O_EXCL
# since version 3, so this should be safe to use nowadays by default.
#dotlock_use_excl = yes
# When to use fsync() or fdatasync() calls:
# optimized (default): Whenever necessary to avoid losing important data
# always: Useful with e.g. NFS when write()s are delayed
# never: Never use it (best performance, but crashes can lose data)
#mail_fsync = optimized
# Locking method for index files. Alternatives are fcntl, flock and dotlock.
# Dotlocking uses some tricks which may create more disk I/O than other locking
# methods. NFS users: flock doesn't work, remember to change mmap_disable.
#lock_method = fcntl
# Directory where mails can be temporarily stored. Usually it's used only for
# mails larger than >= 128 kB. It's used by various parts of Dovecot, for
# example LDA/LMTP while delivering large mails or zlib plugin for keeping
# uncompressed mails.
#mail_temp_dir = /tmp
# Valid UID range for users, defaults to 500 and above. This is mostly
# to make sure that users can't log in as daemons or other system users.
# Note that denying root logins is hardcoded to dovecot binary and can't
# be done even if first_valid_uid is set to 0.
#first_valid_uid = 500
#last_valid_uid = 0
# Valid GID range for users, defaults to non-root/wheel. Users having
# non-valid GID as primary group ID aren't allowed to log in. If user
# belongs to supplementary groups with non-valid GIDs, those groups are
# not set.
#first_valid_gid = 1
#last_valid_gid = 0
# Maximum allowed length for mail keyword name. It's only forced when trying
# to create new keywords.
#mail_max_keyword_length = 50
# ':' separated list of directories under which chrooting is allowed for mail
# processes (ie. /var/mail will allow chrooting to /var/mail/foo/bar too).
# This setting doesn't affect login_chroot, mail_chroot or auth chroot
# settings. If this setting is empty, "/./" in home dirs are ignored.
# WARNING: Never add directories here which local users can modify, that
# may lead to root exploit. Usually this should be done only if you don't
# allow shell access for users. <doc/wiki/Chrooting.txt>
#valid_chroot_dirs =
# Default chroot directory for mail processes. This can be overridden for
# specific users in user database by giving /./ in user's home directory
# (eg. /home/./user chroots into /home). Note that usually there is no real
# need to do chrooting, Dovecot doesn't allow users to access files outside
# their mail directory anyway. If your home directories are prefixed with
# the chroot directory, append "/." to mail_chroot. <doc/wiki/Chrooting.txt>
#mail_chroot =
# UNIX socket path to master authentication server to find users.
# This is used by imap (for shared users) and lda.
#auth_socket_path = /var/run/dovecot/auth-userdb
# Directory where to look up mail plugins.
#mail_plugin_dir = /usr/lib/dovecot/modules
# Space separated list of plugins to load for all services. Plugins specific to
# IMAP, LDA, etc. are added to this list in their own .conf files.
#mail_plugins =
##
## Mailbox handling optimizations
##
# Mailbox list indexes can be used to optimize IMAP STATUS commands. They are
# also required for IMAP NOTIFY extension to be enabled.
#mailbox_list_index = yes
# Trust mailbox list index to be up-to-date. This reduces disk I/O at the cost
# of potentially returning out-of-date results after e.g. server crashes.
# The results will be automatically fixed once the folders are opened.
#mailbox_list_index_very_dirty_syncs = yes
# Should INBOX be kept up-to-date in the mailbox list index? By default it's
# not, because most of the mailbox accesses will open INBOX anyway.
#mailbox_list_index_include_inbox = no
# The minimum number of mails in a mailbox before updates are done to cache
# file. This allows optimizing Dovecot's behavior to do less disk writes at
# the cost of more disk reads.
#mail_cache_min_mail_count = 0
# When IDLE command is running, mailbox is checked once in a while to see if
# there are any new mails or other changes. This setting defines the minimum
# time to wait between those checks. Dovecot can also use inotify and
# kqueue to find out immediately when changes occur.
#mailbox_idle_check_interval = 30 secs
# Save mails with CR+LF instead of plain LF. This makes sending those mails
# take less CPU, especially with sendfile() syscall with Linux and FreeBSD.
# But it also creates a bit more disk I/O which may just make it slower.
# Also note that if other software reads the mboxes/maildirs, they may handle
# the extra CRs wrong and cause problems.
#mail_save_crlf = no
# Max number of mails to keep open and prefetch to memory. This only works with
# some mailbox formats and/or operating systems.
#mail_prefetch_count = 0
# How often to scan for stale temporary files and delete them (0 = never).
# These should exist only after Dovecot dies in the middle of saving mails.
#mail_temp_scan_interval = 1w
# How many slow mail accesses sorting can perform before it returns failure.
# With IMAP the reply is: NO [LIMIT] Requested sort would have taken too long.
# The untagged SORT reply is still returned, but it's likely not correct.
#mail_sort_max_read_count = 0
protocol !indexer-worker {
# If folder vsize calculation requires opening more than this many mails from
# disk (i.e. mail sizes aren't in cache already), return failure and finish
# the calculation via indexer process. Disabled by default. This setting must
# be 0 for indexer-worker processes.
#mail_vsize_bg_after_count = 0
}
##
## Maildir-specific settings
##
# By default LIST command returns all entries in maildir beginning with a dot.
# Enabling this option makes Dovecot return only entries which are directories.
# This is done by stat()ing each entry, so it causes more disk I/O.
# (For systems setting struct dirent->d_type, this check is free and it's
# done always regardless of this setting)
#maildir_stat_dirs = no
# When copying a message, do it with hard links whenever possible. This makes
# the performance much better, and it's unlikely to have any side effects.
#maildir_copy_with_hardlinks = yes
# Assume Dovecot is the only MUA accessing Maildir: Scan cur/ directory only
# when its mtime changes unexpectedly or when we can't find the mail otherwise.
#maildir_very_dirty_syncs = no
# If enabled, Dovecot doesn't use the S=<size> in the Maildir filenames for
# getting the mail's physical size, except when recalculating Maildir++ quota.
# This can be useful in systems where a lot of the Maildir filenames have a
# broken size. The performance hit for enabling this is very small.
#maildir_broken_filename_sizes = no
# Always move mails from new/ directory to cur/, even when the \Recent flags
# aren't being reset.
#maildir_empty_new = no
##
## mbox-specific settings
##
# Which locking methods to use for locking mbox. There are four available:
# dotlock: Create <mailbox>.lock file. This is the oldest and most NFS-safe
# solution. If you want to use /var/mail/ like directory, the users
# will need write access to that directory.
# dotlock_try: Same as dotlock, but if it fails because of permissions or
# because there isn't enough disk space, just skip it.
# fcntl : Use this if possible. Works with NFS too if lockd is used.
# flock : May not exist in all systems. Doesn't work with NFS.
# lockf : May not exist in all systems. Doesn't work with NFS.
#
# You can use multiple locking methods; if you do the order they're declared
# in is important to avoid deadlocks if other MTAs/MUAs are using multiple
# locking methods as well. Some operating systems don't allow using some of
# them simultaneously.
#
# The Debian value for mbox_write_locks differs from upstream Dovecot. It is
# changed to be compliant with Debian Policy (section 11.6) for NFS safety.
# Dovecot: mbox_write_locks = dotlock fcntl
# Debian: mbox_write_locks = fcntl dotlock
#
#mbox_read_locks = fcntl
#mbox_write_locks = fcntl dotlock
# Maximum time to wait for lock (all of them) before aborting.
#mbox_lock_timeout = 5 mins
# If dotlock exists but the mailbox isn't modified in any way, override the
# lock file after this much time.
#mbox_dotlock_change_timeout = 2 mins
# When mbox changes unexpectedly we have to fully read it to find out what
# changed. If the mbox is large this can take a long time. Since the change
# is usually just a newly appended mail, it'd be faster to simply read the
# new mails. If this setting is enabled, Dovecot does this but still safely
# fallbacks to re-reading the whole mbox file whenever something in mbox isn't
# how it's expected to be. The only real downside to this setting is that if
# some other MUA changes message flags, Dovecot doesn't notice it immediately.
# Note that a full sync is done with SELECT, EXAMINE, EXPUNGE and CHECK
# commands.
#mbox_dirty_syncs = yes
# Like mbox_dirty_syncs, but don't do full syncs even with SELECT, EXAMINE,
# EXPUNGE or CHECK commands. If this is set, mbox_dirty_syncs is ignored.
#mbox_very_dirty_syncs = no
# Delay writing mbox headers until doing a full write sync (EXPUNGE and CHECK
# commands and when closing the mailbox). This is especially useful for POP3
# where clients often delete all mails. The downside is that our changes
# aren't immediately visible to other MUAs.
#mbox_lazy_writes = yes
# If mbox size is smaller than this (e.g. 100k), don't write index files.
# If an index file already exists it's still read, just not updated.
#mbox_min_index_size = 0
# Mail header selection algorithm to use for MD5 POP3 UIDLs when
# pop3_uidl_format=%m. For backwards compatibility we use apop3d inspired
# algorithm, but it fails if the first Received: header isn't unique in all
# mails. An alternative algorithm is "all" that selects all headers.
#mbox_md5 = apop3d
##
## mdbox-specific settings
##
# Maximum dbox file size until it's rotated.
#mdbox_rotate_size = 10M
# Maximum dbox file age until it's rotated. Typically in days. Day begins
# from midnight, so 1d = today, 2d = yesterday, etc. 0 = check disabled.
#mdbox_rotate_interval = 0
# When creating new mdbox files, immediately preallocate their size to
# mdbox_rotate_size. This setting currently works only in Linux with some
# filesystems (ext4, xfs).
#mdbox_preallocate_space = no
##
## Mail attachments
##
# sdbox and mdbox support saving mail attachments to external files, which
# also allows single instance storage for them. Other backends don't support
# this for now.
# Directory root where to store mail attachments. Disabled, if empty.
#mail_attachment_dir =
# Attachments smaller than this aren't saved externally. It's also possible to
# write a plugin to disable saving specific attachments externally.
#mail_attachment_min_size = 128k
# Filesystem backend to use for saving attachments:
# posix : No SiS done by Dovecot (but this might help FS's own deduplication)
# sis posix : SiS with immediate byte-by-byte comparison during saving
# sis-queue posix : SiS with delayed comparison and deduplication
#mail_attachment_fs = sis posix
# Hash format to use in attachment filenames. You can add any text and
# variables: %{md4}, %{md5}, %{sha1}, %{sha256}, %{sha512}, %{size}.
# Variables can be truncated, e.g. %{sha256:80} returns only first 80 bits
#mail_attachment_hash = %{sha1}
# Settings to control adding $HasAttachment or $HasNoAttachment keywords.
# By default, all MIME parts with Content-Disposition=attachment, or inlines
# with filename parameter are consired attachments.
# add-flags-on-save - Add the keywords when saving new mails.
# content-type=type or !type - Include/exclude content type. Excluding will
# never consider the matched MIME part as attachment. Including will only
# negate an exclusion (e.g. content-type=!foo/* content-type=foo/bar).
# exclude-inlined - Exclude any Content-Disposition=inline MIME part.
#mail_attachment_detection_options =

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#default_process_limit = 100
#default_client_limit = 1000
# Default VSZ (virtual memory size) limit for service processes. This is mainly
# intended to catch and kill processes that leak memory before they eat up
# everything.
#default_vsz_limit = 256M
# Login user is internally used by login processes. This is the most untrusted
# user in Dovecot system. It shouldn't have access to anything at all.
#default_login_user = dovenull
# Internal user is used by unprivileged processes. It should be separate from
# login user, so that login processes can't disturb other processes.
#default_internal_user = dovecot
service imap-login {
inet_listener imap {
#port = 143
}
inet_listener imaps {
#port = 993
#ssl = yes
}
# Number of connections to handle before starting a new process. Typically
# the only useful values are 0 (unlimited) or 1. 1 is more secure, but 0
# is faster. <doc/wiki/LoginProcess.txt>
#service_count = 1
# Number of processes to always keep waiting for more connections.
#process_min_avail = 0
# If you set service_count=0, you probably need to grow this.
#vsz_limit = $default_vsz_limit
}
service pop3-login {
inet_listener pop3 {
#port = 110
}
inet_listener pop3s {
#port = 995
#ssl = yes
}
}
service submission-login {
inet_listener submission {
#port = 587
}
}
service lmtp {
unix_listener lmtp {
#mode = 0666
}
unix_listener /var/spool/postfix/private/dovecot-lmtp {
mode = 0600
user = postfix
group = postfix
}
# Create inet listener only if you can't use the above UNIX socket
#inet_listener lmtp {
# Avoid making LMTP visible for the entire internet
#address =
#port =
#}
}
service imap {
# Most of the memory goes to mmap()ing files. You may need to increase this
# limit if you have huge mailboxes.
#vsz_limit = $default_vsz_limit
# Max. number of IMAP processes (connections)
#process_limit = 1024
process_limit = {{ dovecot_process_limit }}
#executable = imap postlogin
}
service pop3 {
# Max. number of POP3 processes (connections)
#process_limit = 1024
process_limit = {{ dovecot_process_limit }}
#executable = pop3 postlogin
}
service submission {
# Max. number of SMTP Submission processes (connections)
#process_limit = 1024
process_limit = {{ dovecot_process_limit }}
}
service auth {
# auth_socket_path points to this userdb socket by default. It's typically
# used by dovecot-lda, doveadm, possibly imap process, etc. Users that have
# full permissions to this socket are able to get a list of all usernames and
# get the results of everyone's userdb lookups.
#
# The default 0666 mode allows anyone to connect to the socket, but the
# userdb lookups will succeed only if the userdb returns an "uid" field that
# matches the caller process's UID. Also if caller's uid or gid matches the
# socket's uid or gid the lookup succeeds. Anything else causes a failure.
#
# To give the caller full permissions to lookup all users, set the mode to
# something else than 0666 and Dovecot lets the kernel enforce the
# permissions (e.g. 0777 allows everyone full permissions).
unix_listener auth-userdb {
#mode = 0666
user = modoboa
group = modoboa
}
# Postfix smtp-auth
unix_listener /var/spool/postfix/private/auth {
mode = 0666
user = postfix
group = postfix
}
# Auth process is run as this user.
#user = $default_internal_user
# Radicale auth
#unix_listener auth-radicale {
# mode = 0666
# user = radicale
# group = radicale
#}
}
service auth-worker {
# Auth worker process is run as root by default, so that it can access
# /etc/shadow. If this isn't necessary, the user should be changed to
# $default_internal_user.
#user = root
}
service dict {
# If dict proxy is used, mail processes should have access to its socket.
# For example: mode=0660, group=vmail and global mail_access_groups=vmail
unix_listener dict {
mode = 0600
user = {{ modoboa_user }}
group = {{ modoboa_user }}
}
}

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##
## SSL settings
##
# SSL/TLS support: yes, no, required. <doc/wiki/SSL.txt>
ssl = yes
# PEM encoded X.509 SSL/TLS certificate and private key. They're opened before
# dropping root privileges, so keep the key file unreadable by anyone but
# root. Included doc/mkcert.sh can be used to easily generate self-signed
# certificate, just make sure to update the domains in dovecot-openssl.cnf
ssl_cert = </etc/dovecot/private/dovecot.pem
ssl_key = </etc/dovecot/private/dovecot.key
# If key file is password protected, give the password here. Alternatively
# give it when starting dovecot with -p parameter. Since this file is often
# world-readable, you may want to place this setting instead to a different
# root owned 0600 file by using ssl_key_password = <path.
#ssl_key_password =
# PEM encoded trusted certificate authority. Set this only if you intend to use
# ssl_verify_client_cert=yes. The file should contain the CA certificate(s)
# followed by the matching CRL(s). (e.g. ssl_ca = </etc/ssl/certs/ca.pem)
#ssl_ca =
# Require that CRL check succeeds for client certificates.
#ssl_require_crl = yes
# Directory and/or file for trusted SSL CA certificates. These are used only
# when Dovecot needs to act as an SSL client (e.g. imapc backend or
# submission service). The directory is usually /etc/ssl/certs in
# Debian-based systems and the file is /etc/pki/tls/cert.pem in
# RedHat-based systems.
ssl_client_ca_dir = /etc/ssl/certs
#ssl_client_ca_file =
# Request client to send a certificate. If you also want to require it, set
# auth_ssl_require_client_cert=yes in auth section.
#ssl_verify_client_cert = no
# Which field from certificate to use for username. commonName and
# x500UniqueIdentifier are the usual choices. You'll also need to set
# auth_ssl_username_from_cert=yes.
#ssl_cert_username_field = commonName
# SSL DH parameters
# Generate new params with `openssl dhparam -out /etc/dovecot/dh.pem 4096`
# Or migrate from old ssl-parameters.dat file with the command dovecot
# gives on startup when ssl_dh is unset.
ssl_dh = </usr/share/dovecot/dh.pem
# Minimum SSL protocol version to use. Potentially recognized values are SSLv3,
# TLSv1, TLSv1.1, and TLSv1.2, depending on the OpenSSL version used.
ssl_min_protocol = TLSv1
# SSL ciphers to use, the default is:
#ssl_cipher_list = ALL:!kRSA:!SRP:!kDHd:!DSS:!aNULL:!eNULL:!EXPORT:!DES:!3DES:!MD5:!PSK:!RC4:!ADH:!LOW@STRENGTH
# To disable non-EC DH, use:
ssl_cipher_list = ALL:!DH:!kRSA:!SRP:!kDHd:!DSS:!aNULL:!eNULL:!EXPORT:!DES:!3DES:!MD5:!PSK:!RC4:!ADH:!LOW@STRENGTH
# Colon separated list of elliptic curves to use. Empty value (the default)
# means use the defaults from the SSL library. P-521:P-384:P-256 would be an
# example of a valid value.
#ssl_curve_list =
# Prefer the server's order of ciphers over client's.
#ssl_prefer_server_ciphers = no
# SSL crypto device to use, for valid values run "openssl engine"
#ssl_crypto_device =
# SSL extra options. Currently supported options are:
# compression - Enable compression.
# no_ticket - Disable SSL session tickets.
#ssl_options =

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##
## LDA specific settings (also used by LMTP)
##
# Address to use when sending rejection mails.
# Default is postmaster@%d. %d expands to recipient domain.
#postmaster_address =
# Hostname to use in various parts of sent mails (e.g. in Message-Id) and
# in LMTP replies. Default is the system's real hostname@domain.
#hostname =
# If user is over quota, return with temporary failure instead of
# bouncing the mail.
#quota_full_tempfail = no
# Binary to use for sending mails.
#sendmail_path = /usr/sbin/sendmail
# If non-empty, send mails via this SMTP host[:port] instead of sendmail.
#submission_host =
# Subject: header to use for rejection mails. You can use the same variables
# as for rejection_reason below.
#rejection_subject = Rejected: %s
# Human readable error message for rejection mails. You can use variables:
# %n = CRLF, %r = reason, %s = original subject, %t = recipient
#rejection_reason = Your message to <%t> was automatically rejected:%n%r
# Delimiter character between local-part and detail in email address.
#recipient_delimiter = +
# Header where the original recipient address (SMTP's RCPT TO: address) is taken
# from if not available elsewhere. With dovecot-lda -a parameter overrides this.
# A commonly used header for this is X-Original-To.
#lda_original_recipient_header =
# Should saving a mail to a nonexistent mailbox automatically create it?
#lda_mailbox_autocreate = no
# Should automatically created mailboxes be also automatically subscribed?
#lda_mailbox_autosubscribe = no
protocol lda {
# Space separated list of plugins to load (default is global mail_plugins).
mail_plugins = $mail_plugins sieve
}

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##
## IMAP specific settings
##
# If nothing happens for this long while client is IDLEing, move the connection
# to imap-hibernate process and close the old imap process. This saves memory,
# because connections use very little memory in imap-hibernate process. The
# downside is that recreating the imap process back uses some resources.
#imap_hibernate_timeout = 0
# Maximum IMAP command line length. Some clients generate very long command
# lines with huge mailboxes, so you may need to raise this if you get
# "Too long argument" or "IMAP command line too large" errors often.
#imap_max_line_length = 64k
# IMAP logout format string:
# %i - total number of bytes read from client
# %o - total number of bytes sent to client
# %{fetch_hdr_count} - Number of mails with mail header data sent to client
# %{fetch_hdr_bytes} - Number of bytes with mail header data sent to client
# %{fetch_body_count} - Number of mails with mail body data sent to client
# %{fetch_body_bytes} - Number of bytes with mail body data sent to client
# %{deleted} - Number of mails where client added \Deleted flag
# %{expunged} - Number of mails that client expunged, which does not
# include automatically expunged mails
# %{autoexpunged} - Number of mails that were automatically expunged after
# client disconnected
# %{trashed} - Number of mails that client copied/moved to the
# special_use=\Trash mailbox.
# %{appended} - Number of mails saved during the session
#imap_logout_format = in=%i out=%o deleted=%{deleted} expunged=%{expunged} \
# trashed=%{trashed} hdr_count=%{fetch_hdr_count} \
# hdr_bytes=%{fetch_hdr_bytes} body_count=%{fetch_body_count} \
# body_bytes=%{fetch_body_bytes}
# Override the IMAP CAPABILITY response. If the value begins with '+',
# add the given capabilities on top of the defaults (e.g. +XFOO XBAR).
#imap_capability =
# How long to wait between "OK Still here" notifications when client is
# IDLEing.
#imap_idle_notify_interval = 2 mins
# ID field names and values to send to clients. Using * as the value makes
# Dovecot use the default value. The following fields have default values
# currently: name, version, os, os-version, support-url, support-email.
#imap_id_send =
# ID fields sent by client to log. * means everything.
#imap_id_log =
# Workarounds for various client bugs:
# delay-newmail:
# Send EXISTS/RECENT new mail notifications only when replying to NOOP
# and CHECK commands. Some clients ignore them otherwise, for example OSX
# Mail (<v2.1). Outlook Express breaks more badly though, without this it
# may show user "Message no longer in server" errors. Note that OE6 still
# breaks even with this workaround if synchronization is set to
# "Headers Only".
# tb-extra-mailbox-sep:
# Thunderbird gets somehow confused with LAYOUT=fs (mbox and dbox) and
# adds extra '/' suffixes to mailbox names. This option causes Dovecot to
# ignore the extra '/' instead of treating it as invalid mailbox name.
# tb-lsub-flags:
# Show \Noselect flags for LSUB replies with LAYOUT=fs (e.g. mbox).
# This makes Thunderbird realize they aren't selectable and show them
# greyed out, instead of only later giving "not selectable" popup error.
#
# The list is space-separated.
#imap_client_workarounds =
# Host allowed in URLAUTH URLs sent by client. "*" allows all.
#imap_urlauth_host =
# Enable IMAP LITERAL- extension (replaces LITERAL+)
#imap_literal_minus = no
# What happens when FETCH fails due to some internal error:
# disconnect-immediately:
# The FETCH is aborted immediately and the IMAP client is disconnected.
# disconnect-after:
# The FETCH runs for all the requested mails returning as much data as
# possible. The client is finally disconnected without a tagged reply.
# no-after:
# Same as disconnect-after, but tagged NO reply is sent instead of
# disconnecting the client. If the client attempts to FETCH the same failed
# mail more than once, the client is disconnected. This is to avoid clients
# from going into infinite loops trying to FETCH a broken mail.
#imap_fetch_failure = disconnect-immediately
protocol imap {
# Space separated list of plugins to load (default is global mail_plugins).
mail_plugins = $mail_plugins #imap_quota
# Maximum number of IMAP connections allowed for a user from each IP address.
# NOTE: The username is compared case-sensitively.
#mail_max_userip_connections = 10
}

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##
## LMTP specific settings
##
# Support proxying to other LMTP/SMTP servers by performing passdb lookups.
#lmtp_proxy = no
# When recipient address includes the detail (e.g. user+detail), try to save
# the mail to the detail mailbox. See also recipient_delimiter and
# lda_mailbox_autocreate settings.
#lmtp_save_to_detail_mailbox = no
# Verify quota before replying to RCPT TO. This adds a small overhead.
#lmtp_rcpt_check_quota = no
# Which recipient address to use for Delivered-To: header and Received:
# header. The default is "final", which is the same as the one given to
# RCPT TO command. "original" uses the address given in RCPT TO's ORCPT
# parameter, "none" uses nothing. Note that "none" is currently always used
# when a mail has multiple recipients.
#lmtp_hdr_delivery_address = final
protocol lmtp {
postmaster_address = postmaster@{{ modoboa_url }}
mail_plugins = $mail_plugins sieve
}

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##
## ManageSieve specific settings
##
# Uncomment to enable managesieve protocol:
protocols = $protocols sieve
# Service definitions
service managesieve-login {
#inet_listener sieve {
# port = 4190
#}
#inet_listener sieve_deprecated {
# port = 2000
#}
# Number of connections to handle before starting a new process. Typically
# the only useful values are 0 (unlimited) or 1. 1 is more secure, but 0
# is faster. <doc/wiki/LoginProcess.txt>
#service_count = 1
# Number of processes to always keep waiting for more connections.
#process_min_avail = 0
# If you set service_count=0, you probably need to grow this.
#vsz_limit = 64M
}
service managesieve {
# Max. number of ManageSieve processes (connections)
#process_limit = 1024
process_limit = {{ dovecot_process_limit }}
}
# Service configuration
protocol sieve {
# Maximum ManageSieve command line length in bytes. ManageSieve usually does
# not involve overly long command lines, so this setting will not normally
# need adjustment
#managesieve_max_line_length = 65536
# Maximum number of ManageSieve connections allowed for a user from each IP
# address.
# NOTE: The username is compared case-sensitively.
#mail_max_userip_connections = 10
# Space separated list of plugins to load (none known to be useful so far).
# Do NOT try to load IMAP plugins here.
#mail_plugins =
# MANAGESIEVE logout format string:
# %i - total number of bytes read from client
# %o - total number of bytes sent to client
# %{put_bytes} - Number of bytes saved using PUTSCRIPT command
# %{put_count} - Number of scripts saved using PUTSCRIPT command
# %{get_bytes} - Number of bytes read using GETCRIPT command
# %{get_count} - Number of scripts read using GETSCRIPT command
# %{get_bytes} - Number of bytes processed using CHECKSCRIPT command
# %{get_count} - Number of scripts checked using CHECKSCRIPT command
# %{deleted_count} - Number of scripts deleted using DELETESCRIPT command
# %{renamed_count} - Number of scripts renamed using RENAMESCRIPT command
#managesieve_logout_format = bytes=%i/%o
# To fool ManageSieve clients that are focused on CMU's timesieved you can
# specify the IMPLEMENTATION capability that Dovecot reports to clients.
# For example: 'Cyrus timsieved v2.2.13'
#managesieve_implementation_string = Dovecot Pigeonhole
# Explicitly specify the SIEVE and NOTIFY capability reported by the server
# before login. If left unassigned these will be reported dynamically
# according to what the Sieve interpreter supports by default (after login
# this may differ depending on the user).
#managesieve_sieve_capability =
#managesieve_notify_capability =
# The maximum number of compile errors that are returned to the client upon
# script upload or script verification.
#managesieve_max_compile_errors = 5
# Refer to 90-sieve.conf for script quota configuration and configuration of
# Sieve execution limits.
}

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##
## Quota configuration.
##
# Note that you also have to enable quota plugin in mail_plugins setting.
# <doc/wiki/Quota.txt>
##
## Quota limits
##
# Quota limits are set using "quota_rule" parameters. To get per-user quota
# limits, you can set/override them by returning "quota_rule" extra field
# from userdb. It's also possible to give mailbox-specific limits, for example
# to give additional 100 MB when saving to Trash:
plugin {
#quota_rule = *:storage=1G
#quota_rule2 = Trash:storage=+100M
# LDA/LMTP allows saving the last mail to bring user from under quota to
# over quota, if the quota doesn't grow too high. Default is to allow as
# long as quota will stay under 10% above the limit. Also allowed e.g. 10M.
#quota_grace = 10%%
# Quota plugin can also limit the maximum accepted mail size.
#quota_max_mail_size = 100M
}
##
## Quota warnings
##
# You can execute a given command when user exceeds a specified quota limit.
# Each quota root has separate limits. Only the command for the first
# exceeded limit is executed, so put the highest limit first.
# The commands are executed via script service by connecting to the named
# UNIX socket (quota-warning below).
# Note that % needs to be escaped as %%, otherwise "% " expands to empty.
plugin {
#quota_warning = storage=95%% quota-warning 95 %u
#quota_warning2 = storage=80%% quota-warning 80 %u
}
# Example quota-warning service. The unix listener's permissions should be
# set in a way that mail processes can connect to it. Below example assumes
# that mail processes run as vmail user. If you use mode=0666, all system users
# can generate quota warnings to anyone.
#service quota-warning {
# executable = script /usr/local/bin/quota-warning.sh
# user = dovecot
# unix_listener quota-warning {
# user = vmail
# }
#}
##
## Quota backends
##
# Multiple backends are supported:
# dirsize: Find and sum all the files found from mail directory.
# Extremely SLOW with Maildir. It'll eat your CPU and disk I/O.
# dict: Keep quota stored in dictionary (eg. SQL)
# maildir: Maildir++ quota
# fs: Read-only support for filesystem quota
plugin {
#quota = dirsize:User quota
#quota = maildir:User quota
#quota = dict:User quota::proxy::quota
#quota = fs:User quota
}
# Multiple quota roots are also possible, for example this gives each user
# their own 100MB quota and one shared 1GB quota within the domain:
plugin {
#quota = dict:user::proxy::quota
#quota2 = dict:domain:%d:proxy::quota_domain
#quota_rule = *:storage=102400
#quota2_rule = *:storage=1048576
}

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templates/etc/dovecot/conf.d/90-sieve.conf.j2 Executable file
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##
## Settings for the Sieve interpreter
##
# Do not forget to enable the Sieve plugin in 15-lda.conf and 20-lmtp.conf
# by adding it to the respective mail_plugins= settings.
# The Sieve interpreter can retrieve Sieve scripts from several types of
# locations. The default `file' location type is a local filesystem path
# pointing to a Sieve script file or a directory containing multiple Sieve
# script files. More complex setups can use other location types such as
# `ldap' or `dict' to fetch Sieve scripts from remote databases.
#
# All settings that specify the location of one ore more Sieve scripts accept
# the following syntax:
#
# location = [<type>:]path[;<option>[=<value>][;...]]
#
# If the type prefix is omitted, the script location type is 'file' and the
# location is interpreted as a local filesystem path pointing to a Sieve script
# file or directory. Refer to Pigeonhole wiki or INSTALL file for more
# information.
plugin {
# The location of the user's main Sieve script or script storage. The LDA
# Sieve plugin uses this to find the active script for Sieve filtering at
# delivery. The "include" extension uses this location for retrieving
# :personal" scripts. This is also where the ManageSieve service will store
# the user's scripts, if supported.
#
# Currently only the 'file:' location type supports ManageSieve operation.
# Other location types like 'dict:' and 'ldap:' can currently only
# be used as a read-only script source ().
#
# For the 'file:' type: use the ';active=' parameter to specify where the
# active script symlink is located.
# For other types: use the ';name=' parameter to specify the name of the
# default/active script.
sieve = ~/.dovecot.sieve
sieve_dir = ~/sieve
# The default Sieve script when the user has none. This is the location of a
# global sieve script file, which gets executed ONLY if user's personal Sieve
# script doesn't exist. Be sure to pre-compile this script manually using the
# sievec command line tool if the binary is not stored in a global location.
# --> See sieve_before for executing scripts before the user's personal
# script.
#sieve_default = /var/lib/dovecot/sieve/default.sieve
# The name by which the default Sieve script (as configured by the
# sieve_default setting) is visible to the user through ManageSieve.
#sieve_default_name =
# Location for ":global" include scripts as used by the "include" extension.
#sieve_global =
# The location of a Sieve script that is run for any message that is about to
# be discarded; i.e., it is not delivered anywhere by the normal Sieve
# execution. This only happens when the "implicit keep" is canceled, by e.g.
# the "discard" action, and no actions that deliver the message are executed.
# This "discard script" can prevent discarding the message, by executing
# alternative actions. If the discard script does nothing, the message is
# still discarded as it would be when no discard script is configured.
#sieve_discard =
# Location Sieve of scripts that need to be executed before the user's
# personal script. If a 'file' location path points to a directory, all the
# Sieve scripts contained therein (with the proper `.sieve' extension) are
# executed. The order of execution within that directory is determined by the
# file names, using a normal 8bit per-character comparison.
#
# Multiple script locations can be specified by appending an increasing number
# to the setting name. The Sieve scripts found from these locations are added
# to the script execution sequence in the specified order. Reading the
# numbered sieve_before settings stops at the first missing setting, so no
# numbers may be skipped.
#sieve_before = /var/lib/dovecot/sieve.d/
#sieve_before2 = ldap:/etc/sieve-ldap.conf;name=ldap-domain
#sieve_before3 = (etc...)
# Identical to sieve_before, only the specified scripts are executed after the
# user's script (only when keep is still in effect!). Multiple script
# locations can be specified by appending an increasing number.
#sieve_after =
#sieve_after2 =
#sieve_after2 = (etc...)
# Which Sieve language extensions are available to users. By default, all
# supported extensions are available, except for deprecated extensions or
# those that are still under development. Some system administrators may want
# to disable certain Sieve extensions or enable those that are not available
# by default. This setting can use '+' and '-' to specify differences relative
# to the default. For example `sieve_extensions = +imapflags' will enable the
# deprecated imapflags extension in addition to all extensions were already
# enabled by default.
#sieve_extensions = +notify +imapflags
# Which Sieve language extensions are ONLY available in global scripts. This
# can be used to restrict the use of certain Sieve extensions to administrator
# control, for instance when these extensions can cause security concerns.
# This setting has higher precedence than the `sieve_extensions' setting
# (above), meaning that the extensions enabled with this setting are never
# available to the user's personal script no matter what is specified for the
# `sieve_extensions' setting. The syntax of this setting is similar to the
# `sieve_extensions' setting, with the difference that extensions are
# enabled or disabled for exclusive use in global scripts. Currently, no
# extensions are marked as such by default.
#sieve_global_extensions =
# The Pigeonhole Sieve interpreter can have plugins of its own. Using this
# setting, the used plugins can be specified. Check the Dovecot wiki
# (wiki2.dovecot.org) or the pigeonhole website
# (http://pigeonhole.dovecot.org) for available plugins.
# The sieve_extprograms plugin is included in this release.
#sieve_plugins =
# The separator that is expected between the :user and :detail
# address parts introduced by the subaddress extension. This may
# also be a sequence of characters (e.g. '--'). The current
# implementation looks for the separator from the left of the
# localpart and uses the first one encountered. The :user part is
# left of the separator and the :detail part is right. This setting
# is also used by Dovecot's LMTP service.
#recipient_delimiter = +
# The maximum size of a Sieve script. The compiler will refuse to compile any
# script larger than this limit. If set to 0, no limit on the script size is
# enforced.
#sieve_max_script_size = 1M
# The maximum number of actions that can be performed during a single script
# execution. If set to 0, no limit on the total number of actions is enforced.
#sieve_max_actions = 32
# The maximum number of redirect actions that can be performed during a single
# script execution. If set to 0, no redirect actions are allowed.
#sieve_max_redirects = 4
# The maximum number of personal Sieve scripts a single user can have. If set
# to 0, no limit on the number of scripts is enforced.
# (Currently only relevant for ManageSieve)
#sieve_quota_max_scripts = 0
# The maximum amount of disk storage a single user's scripts may occupy. If
# set to 0, no limit on the used amount of disk storage is enforced.
# (Currently only relevant for ManageSieve)
#sieve_quota_max_storage = 0
# The primary e-mail address for the user. This is used as a default when no
# other appropriate address is available for sending messages. If this setting
# is not configured, either the postmaster or null "<>" address is used as a
# sender, depending on the action involved. This setting is important when
# there is no message envelope to extract addresses from, such as when the
# script is executed in IMAP.
#sieve_user_email =
# The path to the file where the user log is written. If not configured, a
# default location is used. If the main user's personal Sieve (as configured
# with sieve=) is a file, the logfile is set to <filename>.log by default. If
# it is not a file, the default user log file is ~/.dovecot.sieve.log.
#sieve_user_log =
# Specifies what envelope sender address is used for redirected messages.
# The following values are supported for this setting:
#
# "sender" - The sender address is used (default).
# "recipient" - The final recipient address is used.
# "orig_recipient" - The original recipient is used.
# "user_email" - The user's primary address is used. This is
# configured with the "sieve_user_email" setting. If
# that setting is unconfigured, "user_mail" is equal to
# "recipient".
# "postmaster" - The postmaster_address configured for the LDA.
# "<user@domain>" - Redirected messages are always sent from user@domain.
# The angle brackets are mandatory. The null "<>" address
# is also supported.
#
# This setting is ignored when the envelope sender is "<>". In that case the
# sender of the redirected message is also always "<>".
#sieve_redirect_envelope_from = sender
## TRACE DEBUGGING
# Trace debugging provides detailed insight in the operations performed by
# the Sieve script. These settings apply to both the LDA Sieve plugin and the
# IMAPSIEVE plugin.
#
# WARNING: On a busy server, this functionality can quickly fill up the trace
# directory with a lot of trace files. Enable this only temporarily and as
# selective as possible.
# The directory where trace files are written. Trace debugging is disabled if
# this setting is not configured or if the directory does not exist. If the
# path is relative or it starts with "~/" it is interpreted relative to the
# current user's home directory.
#sieve_trace_dir =
# The verbosity level of the trace messages. Trace debugging is disabled if
# this setting is not configured. Possible values are:
#
# "actions" - Only print executed action commands, like keep,
# fileinto, reject and redirect.
# "commands" - Print any executed command, excluding test commands.
# "tests" - Print all executed commands and performed tests.
# "matching" - Print all executed commands, performed tests and the
# values matched in those tests.
#sieve_trace_level =
# Enables highly verbose debugging messages that are usually only useful for
# developers.
#sieve_trace_debug = no
# Enables showing byte code addresses in the trace output, rather than only
# the source line numbers.
#sieve_trace_addresses = no
}

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templates/etc/dovecot/conf.d/auth-sql.conf.ext.j2 Executable file
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passdb sql {
driver = sql
# Path for SQL configuration file, see example-config/dovecot-sql.conf.ext
args = {{ dovecot_dir }}/dovecot-sql.conf.ext
}
userdb sql {
driver = sql
args = {{ dovecot_dir }}/dovecot-sql.conf.ext
}

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driver = mysql
connect = host={{ modoboa_db_host }} dbname={{ modoboa_db_configs.dbname }} user={{ modoboa_db_configs.dbuser }} password={{ modoboa_db_configs.dbpass }}
default_pass_scheme = CRYPT
password_query = SELECT email AS user, password FROM core_user WHERE email='%Lu' and is_active=1
user_query = SELECT '{{ modoboa_storage }}/%Ld/%Ln' AS home, {{ modoboa_user_stat.uid }} as uid, {{ modoboa_user_stat.group }} as gid, concat('*:bytes=', mb.quota, 'M') AS quota_rule FROM admin_mailbox mb INNER JOIN admin_domain dom ON mb.domain_id=dom.id WHERE mb.address='%Ln' AND dom.name='%Ld'
iterate_query = SELECT email AS user FROM core_user
map {
pattern = priv/quota/storage
table = admin_quota
username_field = username
value_field = bytes
}
map {
pattern = priv/quota/messages
table = admin_quota
username_field = username
value_field = messages
}

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driver = pgsql
connect = host={{ modoboa_db_host }} dbname={{ modoboa_db_configs.dbname }} user={{ modoboa_db_configs.dbuser }} password={{ modoboa_db_configs.dbpass }}
default_pass_scheme = CRYPT
password_query = SELECT email AS user, password FROM core_user u INNER JOIN admin_mailbox mb ON u.id=mb.user_id INNER JOIN admin_domain dom ON mb.domain_id=dom.id WHERE u.email='%Lu' AND u.is_active AND dom.enabled
user_query = SELECT '{{ modoboa_storage }}/%Ld/%Ln' AS home, {{ modoboa_user_stat.uid }} as uid, {{ modoboa_user_stat.group }} as gid, '*:bytes=' || mb.quota || 'M' AS quota_rule FROM admin_mailbox mb INNER JOIN admin_domain dom ON mb.domain_id=dom.id WHERE mb.address='%Ln' AND dom.name='%Ld'
iterate_query = SELECT email AS user FROM core_user
map {
pattern = priv/quota/storage
table = admin_quota
username_field = username
value_field = bytes
}
map {
pattern = priv/quota/messages
table = admin_quota
username_field = username
value_field = messages
}

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templates/etc/dovecot/dovecot.conf.j2 Executable file
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## Dovecot configuration file
# If you're in a hurry, see http://wiki2.dovecot.org/QuickConfiguration
# "doveconf -n" command gives a clean output of the changed settings. Use it
# instead of copy&pasting files when posting to the Dovecot mailing list.
# '#' character and everything after it is treated as comments. Extra spaces
# and tabs are ignored. If you want to use either of these explicitly, put the
# value inside quotes, eg.: key = "# char and trailing whitespace "
# Most (but not all) settings can be overridden by different protocols and/or
# source/destination IPs by placing the settings inside sections, for example:
# protocol imap { }, local 127.0.0.1 { }, remote 10.0.0.0/8 { }
protocols = imap pop3 lmtp
# Default values are shown for each setting, it's not required to uncomment
# those. These are exceptions to this though: No sections (e.g. namespace {})
# or plugin settings are added by default, they're listed only as examples.
# Paths are also just examples with the real defaults being based on configure
# options. The paths listed here are for configure --prefix=/usr
# --sysconfdir=/etc --localstatedir=/var
# Enable installed protocols
!include_try /usr/share/dovecot/protocols.d/*.protocol
# A comma separated list of IPs or hosts where to listen in for connections.
# "*" listens in all IPv4 interfaces, "::" listens in all IPv6 interfaces.
# If you want to specify non-default ports or anything more complex,
# edit conf.d/master.conf.
#listen = *, ::
# Base directory where to store runtime data.
#base_dir = /var/run/dovecot/
# Name of this instance. In multi-instance setup doveadm and other commands
# can use -i <instance_name> to select which instance is used (an alternative
# to -c <config_path>). The instance name is also added to Dovecot processes
# in ps output.
#instance_name = dovecot
# Greeting message for clients.
#login_greeting = Dovecot ready.
# Space separated list of trusted network ranges. Connections from these
# IPs are allowed to override their IP addresses and ports (for logging and
# for authentication checks). disable_plaintext_auth is also ignored for
# these networks. Typically you'd specify your IMAP proxy servers here.
#login_trusted_networks =
# Space separated list of login access check sockets (e.g. tcpwrap)
#login_access_sockets =
# With proxy_maybe=yes if proxy destination matches any of these IPs, don't do
# proxying. This isn't necessary normally, but may be useful if the destination
# IP is e.g. a load balancer's IP.
#auth_proxy_self =
# Show more verbose process titles (in ps). Currently shows user name and
# IP address. Useful for seeing who are actually using the IMAP processes
# (eg. shared mailboxes or if same uid is used for multiple accounts).
#verbose_proctitle = no
# Should all processes be killed when Dovecot master process shuts down.
# Setting this to "no" means that Dovecot can be upgraded without
# forcing existing client connections to close (although that could also be
# a problem if the upgrade is e.g. because of a security fix).
#shutdown_clients = yes
# If non-zero, run mail commands via this many connections to doveadm server,
# instead of running them directly in the same process.
#doveadm_worker_count = 0
# UNIX socket or host:port used for connecting to doveadm server
#doveadm_socket_path = doveadm-server
# Space separated list of environment variables that are preserved on Dovecot
# startup and passed down to all of its child processes. You can also give
# key=value pairs to always set specific settings.
#import_environment = TZ
##
## Dictionary server settings
##
# Dictionary can be used to store key=value lists. This is used by several
# plugins. The dictionary can be accessed either directly or though a
# dictionary server. The following dict block maps dictionary names to URIs
# when the server is used. These can then be referenced using URIs in format
# "proxy::<name>".
dict {
#quota = mysql:/etc/dovecot/dovecot-dict-sql.conf.ext
#expire = sqlite:/etc/dovecot/dovecot-dict-sql.conf.ext
#quota = {{ modoboa_db_type }}:/etc/dovecot/dovecot-dict-sql.conf.ext
}
# Most of the actual configuration gets included below. The filenames are
# first sorted by their ASCII value and parsed in that order. The 00-prefixes
# in filenames are intended to make it easier to understand the ordering.
!include conf.d/*.conf
# A config file can also tried to be included without giving an error if
# it's not found:
!include_try local.conf

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# This is a basic configuration that can easily be adapted to suit a standard
# installation. For more advanced options, see opendkim.conf(5) and/or
# /usr/share/doc/opendkim/examples/opendkim.conf.sample.
# Log to syslog
Syslog yes
# Required to use local socket with MTAs that access the socket as a non-
# privileged user (e.g. Postfix)
UMask 007
# Sign for example.com with key in /etc/dkimkeys/dkim.key using
# selector '2007' (e.g. 2007._domainkey.example.com)
#Domain example.com
#KeyFile /etc/dkimkeys/dkim.key
#Selector 2007
# Commonly-used options; the commented-out versions show the defaults.
#Canonicalization simple
#Mode sv
#SubDomains no
# Socket smtp://localhost
#
# ## Socket socketspec
# ##
# ## Names the socket where this filter should listen for milter connections
# ## from the MTA. Required. Should be in one of these forms:
# ##
# ## inet:port@address to listen on a specific interface
# ## inet:port to listen on all interfaces
# ## local:/path/to/socket to listen on a UNIX domain socket
#
#Socket inet:8892@localhost
#Socket local:/var/run/opendkim/opendkim.sock
## PidFile filename
### default (none)
###
### Name of the file where the filter should write its pid before beginning
### normal operations.
#
PidFile /var/run/opendkim/opendkim.pid
# Always oversign From (sign using actual From and a null From to prevent
# malicious signatures header fields (From and/or others) between the signer
# and the verifier. From is oversigned by default in the Debian pacakge
# because it is often the identity key used by reputation systems and thus
# somewhat security sensitive.
OversignHeaders From
## ResolverConfiguration filename
## default (none)
##
## Specifies a configuration file to be passed to the Unbound library that
## performs DNS queries applying the DNSSEC protocol. See the Unbound
## documentation at http://unbound.net for the expected content of this file.
## The results of using this and the TrustAnchorFile setting at the same
## time are undefined.
## In Debian, /etc/unbound/unbound.conf is shipped as part of the Suggested
## unbound package
# ResolverConfiguration /etc/unbound/unbound.conf
## TrustAnchorFile filename
## default (none)
##
## Specifies a file from which trust anchor data should be read when doing
## DNS queries and applying the DNSSEC protocol. See the Unbound documentation
## at http://unbound.net for the expected format of this file.
TrustAnchorFile /usr/share/dns/root.key
## Userid userid
### default (none)
###
### Change to user "userid" before starting normal operation? May include
### a group ID as well, separated from the userid by a colon.
#
UserID opendkim
KeyTable dsn:{{ modoboa_db_type }}://{{ modoboa_db_configs.dbuser }}:{{ modoboa_db_configs.dbpass }}@{{ modoboa_db_host }}/{{ modoboa_db_configs.dbname }}/table=dkim?keycol=id?datacol=domain_name,selector,private_key_path
SigningTable dsn:{{ modoboa_db_type }}://{{ modoboa_db_configs.dbuser }}:{{ modoboa_db_configs.dbpass }}@{{ modoboa_db_host }}/{{ modoboa_db_configs.dbname }}/table=dkim?keycol=domain_name?datacol=id
Socket inet:{{ opendkim_port_listen }}@localhost

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# See /usr/share/postfix/main.cf.dist for a commented, more complete version
inet_interfaces = all
inet_protocols = ipv4
# Debian specific: Specifying a file name will cause the first
# line of that file to be used as the name. The Debian default
# is /etc/mailname.
#myorigin = /etc/mailname
myhostname = {{ modoboa_url }}
myorigin = $myhostname
mydestination = $myhostname
mynetworks = 127.0.0.0/8
smtpd_banner = $myhostname ESMTP $mail_name (Debian/GNU)
biff = no
unknown_local_recipient_reject_code = 550
unverified_recipient_reject_code = 550
# appending .domain is the MUA's job.
append_dot_mydomain = no
# Uncomment the next line to generate "delayed mail" warnings
#delay_warning_time = 4h
readme_directory = no
## TLS settings
#
smtpd_use_tls = yes
smtpd_tls_auth_only = no
smtpd_tls_CApath = /etc/ssl/certs
smtpd_tls_key_file = /etc/letsencrypt/live/mail.lars-hahn-test.de/privkey.pem
smtpd_tls_cert_file = /etc/letsencrypt/live/mail.lars-hahn-test.de/fullchain.pem
smtpd_tls_dh1024_param_file = ${config_directory}/dh2048.pem
smtpd_tls_loglevel = 1
smtpd_tls_session_cache_database = btree:$data_directory/smtpd_tls_session_cache
smtpd_tls_security_level = may
smtpd_tls_received_header = yes
# Disallow SSLv2 and SSLv3, only accept secure ciphers
smtpd_tls_protocols = !SSLv2, !SSLv3
smtpd_tls_mandatory_protocols = !SSLv2, !SSLv3
smtpd_tls_mandatory_ciphers = high
smtpd_tls_mandatory_exclude_ciphers = aNULL, MD5 , DES, ADH, RC4, PSD, SRP, 3DES, eNULL
smtpd_tls_exclude_ciphers = aNULL, MD5 , DES, ADH, RC4, PSD, SRP, 3DES, eNULL
# Enable elliptic curve cryptography
smtpd_tls_eecdh_grade = strong
# Use TLS if this is supported by the remote SMTP server, otherwise use plaintext.
smtp_tls_CApath = /etc/ssl/certs
smtp_tls_security_level = may
smtp_tls_loglevel = 1
smtp_tls_exclude_ciphers = EXPORT, LOW
## SASL authentication through Dovecot
#
#smtpd_sasl_type = dovecot
#smtpd_sasl_path = private/auth
#smtpd_sasl_auth_enable = yes
#broken_sasl_auth_clients = yes
#smtpd_sasl_security_options = noanonymous
## SMTP session policies
#
# We require HELO to check it later
smtpd_helo_required = yes
# We do not let others find out which recipients are valid
disable_vrfy_command = yes
# MTA to MTA communication on Port 25. We expect (!) the other party to
# specify messages as required by RFC 821.
strict_rfc821_envelopes = yes
## Virtual transport settings
# See http://www.postfix.org/COMPATIBILITY_README.html -- default to 2 on
# fresh installs.
compatibility_level = 2
virtual_transport = lmtp:unix:private/dovecot-lmtp
virtual_mailbox_domains = {{ modoboa_db_type }}:{{ postfix_mapping_folder }}/sql-domains.cf
virtual_alias_domains = {{ modoboa_db_type }}:{{ postfix_mapping_folder }}/sql-domain-aliases.cf
virtual_alias_maps = {{ modoboa_db_type }}:{{ postfix_mapping_folder }}/sql-aliases.cf
relay_domains = {{ modoboa_db_type }}:{{ postfix_mapping_folder }}/sql-relaydomains.cf
transport_maps =
{{ modoboa_db_type }}:{{ postfix_mapping_folder }}/sql-transport.cf
{{ modoboa_db_type }}:{{ postfix_mapping_folder }}/sql-spliteddomains-transport.cf
smtpd_recipient_restrictions =
#check_policy_service inet:localhost:9999
permit_mynetworks
permit_sasl_authenticated
check_recipient_access
{{ modoboa_db_type }}:{{ postfix_mapping_folder }}/sql-maintain.cf
{{ modoboa_db_type }}:{{ postfix_mapping_folder }}/sql-relay-recipient-verification.cf
reject_unverified_recipient
reject_unauth_destination
reject_non_fqdn_sender
reject_non_fqdn_recipient
reject_non_fqdn_helo_hostname
smtpd_sender_login_maps = {{ modoboa_db_type }}:{{ postfix_mapping_folder }}/sql-sender-login-map.cf
smtpd_sender_restrictions =
reject_sender_login_mismatch
# OpenDKIM relevant
smtpd_milters = inet:127.0.0.1:{{ opendkim_port_listen }}
non_smtpd_milters = inet:127.0.0.1:{{ opendkim_port_listen }}
milter_default_action = accept
milter_content_timeout = 30s

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[Unit]
Description = Gunicorn Python Webserver for Modoboa
After = network.target
[Service]
PIDFile = run/gunicorn/{{ modoboa_instance }}.pid
WorkingDirectory = {{ modoboa_instance_folder }}/{{ modoboa_instance }}
ExecStartPre = /bin/mkdir -p /run/gunicorn
ExecStartPre = /bin/chown -R {{ modoboa_user }}:{{ modoboa_user }} /run/gunicorn
ExecStart = {{ modoboa_py_venv_bin }}/gunicorn -c gunicorn.conf.py {{ modoboa_instance }}.wsgi:application
ExecReload = /bin/kill -s HUP $MAINPID
ExecStop = /bin/kill -s TERM $MAINPID
ExecStopPost = /bin/rm -rf /run/gunicorn
PrivateTmp = true
[Install]
WantedBy = multi-user.target

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#!/bin/sh
DBNAME=XXX
DBUSER=XXX
DBPASSWORD=XXX
echo "UPDATE core_user SET last_login=now() WHERE username='$USER'" | mysql -u $DBUSER -p$DBPASSWORD $DBNAME
exec "$@"

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#!/bin/sh
psql -c "UPDATE core_user SET last_login=now() WHERE username='$USER'" > /dev/null
exec "$@"

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---
# Modoboa
modoboa_py_venv: "{{ hcs_python_envs }}/modoboa"
modoboa_py_venv_bin: "{{ modoboa_py_venv }}/bin"
modoboa_extensions:
- modoboa-webmail
- modoboa-radicale
- modoboa-postfix-autoreply
# Dovecot
dovecot_exe: /usr/bin/dovecot
dovecot_dir: /etc/dovecot
dovecot_sieve_exec: /usr/local/bin/postlogin.sh
dovecot_pgsql_db_adjustment:
- "ALTER TABLE admin_quota ALTER COLUMN bytes SET DEFAULT 0;"
- "ALTER TABLE admin_quota ALTER COLUMN messages SET DEFAULT 0;"
# Postfix
postfix_dir: /etc/postfix
opendkim_update_sql: >
CREATE OR REPLACE VIEW dkim AS (
SELECT id, name as domain_name, dkim_private_key_path AS private_key_path,
dkim_key_selector AS selector
FROM admin_domain WHERE enable_dkim{% if modoboa_db_type == 'mysql' %}=1{% endif %}
);