nixos-config/config/services/dovecot.nix

140 lines
3.8 KiB
Nix

{ pkgs, config, ... }:
let
listenIP = (import ../../utils/getInternalIP.nix config).listenIP;
sieves = import ../../packages/sieves.nix pkgs;
dovecot-sql = pkgs.writeText "dovecot-sql.conf.ext" ''
driver = "pgsql";
connect = host=localhost dbname=postfix user=dovecot
default_pass_scheme = ARGON2ID
password_query = \
SELECT local_part as username, domain, password, CONCAT('/var/vmail', maildir) AS userdb_home, 76 AS userdb_uid, 76 AS userdb_gid, CONCAT('*:bytes=', quota) AS userdb_quota_rule \
FROM mailbox WHERE local_part = '%n' AND domain = '%d' AND active = '1'
user_query = \
SELECT CONCAT('/var/vmail', maildir) AS home, 76 AS uid, 76 AS gid, CONCAT('*:bytes=', quota) AS quota_rule \
FROM mailbox WHERE local_part = '%n' AND domain = '%d' AND active = '1'
iterate_query = SELECT CONCAT(local_part, '@', domain) AS user FROM mailbox
'';
in
{
services.dovecot2 = {
enable = true;
enableImap = true;
enableLmtp = true;
enablePop3 = true;
enableQuota = true;
mailGroup = "dovecot";
mailUser = "dovecot";
mailLocation = "maildir:/var/vmail/%h/%n";
mailPlugins = {
globally.enable = [
"old_stats"
];
perProtocol = {
imap.enable = [
"imap_sieve"
];
lda.enable = [
"sieve"
];
lmtp.enable = [
"sieve"
];
};
};
mailboxes = {
Drafts = {
specialUse = "Drafts";
auto = "subscribe";
};
Junk = {
specialUse = "Junk";
auto = "subscribe";
};
Trash = {
specialUse = "Trash";
auto = "subscribe";
};
Sent = {
specialUse = "Sent";
auto = "subscribe";
};
"Sent Messages" = {
specialUse = "Sent";
};
"virtual/All" = {
specialUse = "All";
auto = "subscribe";
};
};
sslServerCert = "/var/lib/acme/chir.rs/cert.pem";
sslServerKey = "/var/lib/acme/chir.rs/key.pem";
extraConfig = ''
service old-stats {
unix_listener old-stats {
user = dovecot-exporter
group = dovecot-exporter
mode = 0660
}
fifo_listener old-stats-mail {
mode = 0660
user = dovecot
group = dovecot
}
fifo_listener old-stats-user {
mode = 0660
user = dovecot
group = dovecot
}
}
plugin {
old_stats_refresh = 30 secs
old_stats_track_cmds = yes
}
plugin {
sieve_plugins = sieve_imapsieve sieve_extprograms
# From elsewhere to Spam folder or flag changed in Spam folder
imapsieve_mailbox1_name = Junk
imapsieve_mailbox1_causes = COPY FLAG
imapsieve_mailbox1_before = file:${sieves.report-spam}/report-spam.sieve
# From Spam folder to elsewhere
imapsieve_mailbox2_name = *
imapsieve_mailbox2_from = Junk
imapsieve_mailbox2_causes = COPY
imapsieve_mailbox2_before = file:${sieves.report-ham}/report-ham.sieve
sieve_pipe_bin_dir = /nix/store
sieve_global_extensions = +vnd.dovecot.pipe
sieve = ${sieves.default}/default.sieve
}
disable_plaintext_auth = yes
auth_mechanisms = plain login
passdb {
driver = sql
args = ${dovecot-sql}
}
userdb {
driver = prefetch
}
userdb {
driver = sql
args = ${dovecot-sql}
}
'';
user = "dovecot";
group = "dovecot";
};
services.prometheus.exporters.dovecot = {
enable = true;
listenAddress = listenIP;
};
sops.secrets."services/dovecot/rspamd_password" = { owner = "dovecot"; };
services.postgresql.ensureUsers = [{
name = "dovecot";
ensurePermissions = {
"DATABASE \"postfix\"" = "CONNECT";
};
}];
}