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mailu/core/dovecot/conf/dovecot.conf

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###############
# General
###############
log_path = /dev/stderr
protocols = imap pop3 lmtp sieve
postmaster_address = {{ POSTMASTER }}@{{ DOMAIN }}
hostname = {{ HOSTNAMES.split(",")[0] }}
submission_host = {{ FRONT_ADDRESS }}
###############
# Mailboxes
###############
first_valid_gid = 8
first_valid_uid = 8
mail_location = maildir:/mail/%u
mail_home = /mail/%u
mail_uid = mail
mail_gid = mail
mail_privileged_group = mail
mail_access_groups = mail
maildir_stat_dirs = yes
mailbox_list_index = yes
mail_vsize_bg_after_count = 100
mail_plugins = $mail_plugins quota quota_clone{{ ' ' }}
{%- if COMPRESSION -%}
zlib{{ ' ' }}
{%- endif %}
{%- if (FULL_TEXT_SEARCH or '').lower() not in ['off', 'false', '0'] -%}
fts fts_xapian
{%- endif %}
default_vsz_limit = 2GB
namespace inbox {
inbox = yes
{% for mailbox in ("Trash", "Drafts", "Sent", "Junk") %}
mailbox {{ mailbox }} {
auto = subscribe
special_use = \{{ mailbox }}
}
{% endfor %}
}
plugin {
quota = count:User quota
quota_vsizes = yes
quota_clone_dict = proxy:/tmp/podop.socket:quota
{% if (FULL_TEXT_SEARCH or '').lower() not in ['off', 'false', '0'] %}
fts = xapian
fts_xapian = partial=2 full=30
fts_autoindex = yes
fts_enforced = yes
fts_autoindex_exclude = \Trash
{% endif %}
{% if COMPRESSION in [ 'gz', 'bz2', 'lz4', 'zstd' ] %}
zlib_save = {{ COMPRESSION }}
{% endif %}
{% if COMPRESSION_LEVEL %}
zlib_save_level = {{ COMPRESSION_LEVEL }}
{% endif %}
}
###############
# Authentication
###############
auth_username_chars =
auth_mechanisms = plain login
disable_plaintext_auth = no
passdb {
driver = dict
args = /etc/dovecot/auth.conf
}
userdb {
driver = dict
args = /etc/dovecot/auth.conf
}
service auth {
user = dovecot
unix_listener auth-userdb {
}
}
service auth-worker {
unix_listener auth-worker {
user = dovecot
group = mail
mode = 0660
}
user = mail
}
###############
# IMAP & POP
###############
protocol imap {
mail_plugins = $mail_plugins imap_quota imap_sieve
mail_max_userip_connections = 20
}
protocol pop3 {
}
service imap-login {
inet_listener imap {
port = 143
}
}
###############
# Delivery
###############
protocol lmtp {
mail_plugins = $mail_plugins sieve
recipient_delimiter = {{ RECIPIENT_DELIMITER }}
}
service lmtp {
inet_listener lmtp {
port = 2525
}
}
###############
# Filtering
###############
service managesieve-login {
inet_listener sieve {
port = 4190
}
}
service managesieve {
}
plugin {
sieve = file:~/sieve;active=~/.dovecot.sieve
sieve_before = dict:proxy:/tmp/podop.socket:sieve
sieve_plugins = sieve_imapsieve sieve_extprograms
sieve_extensions = +spamtest +spamtestplus +editheader
sieve_global_extensions = +vnd.dovecot.execute
# Sieve execute
sieve_execute_bin_dir = /conf/bin
# Send vacation replies even for aliases
# See the Pigeonhole documentation about warnings: http://wiki2.dovecot.org/Pigeonhole/Sieve/Extensions/Vacation
# It appears that our implemntation of mail delivery meets criteria of section 4.5
# from RFC 5230 and that disabling the recipient checks is not an issue here.
sieve_vacation_dont_check_recipient = yes
# Include the recipient in vacation replies so that DKIM applies
sieve_vacation_send_from_recipient = yes
# extract spam score from headers
sieve_spamtest_status_type = strlen
sieve_spamtest_status_header = X-Spam-Level
sieve_spamtest_max_value = 15
# Learn from spam
imapsieve_mailbox1_name = Junk
imapsieve_mailbox1_causes = COPY
imapsieve_mailbox1_before = file:/conf/report-spam.sieve
imapsieve_mailbox2_name = *
imapsieve_mailbox2_from = Junk
imapsieve_mailbox2_causes = COPY
imapsieve_mailbox2_before = file:/conf/report-ham.sieve
}
###############
# Extensions
###############
!include_try /overrides/dovecot.conf