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|
{ lib, pkgs, config, myconfig, ... }:
let
sieve_bin = pkgs.runCommand "sieve_bin" {
buildInputs = [ pkgs.makeWrapper ];
} ''
cp -a ${./sieve_bin} $out
chmod -R u+w $out
patchShebangs $out
for i in $out/*; do
wrapProgram "$i" --prefix PATH : ${lib.makeBinPath [ pkgs.coreutils ]}
done
'';
in
{
config.services.backup.profiles.mail.excludeFile = ''
+ /var/lib/dhparams
+ /var/lib/dovecot
'';
config.secrets.keys = [
{
dest = "dovecot/ldap";
user = config.services.dovecot2.user;
group = config.services.dovecot2.group;
permissions = "0400";
text = ''
hosts = ${myconfig.env.mail.dovecot.ldap.host}
tls = yes
dn = ${myconfig.env.mail.dovecot.ldap.dn}
dnpass = ${myconfig.env.mail.dovecot.ldap.password}
auth_bind = yes
ldap_version = 3
base = ${myconfig.env.mail.dovecot.ldap.base}
scope = subtree
user_filter = ${myconfig.env.mail.dovecot.ldap.filter}
pass_filter = ${myconfig.env.mail.dovecot.ldap.filter}
user_attrs = ${myconfig.env.mail.dovecot.ldap.user_attrs}
pass_attrs = ${myconfig.env.mail.dovecot.ldap.pass_attrs}
'';
}
];
config.users.users.vhost = {
group = "vhost";
uid = config.ids.uids.vhost;
};
config.users.groups.vhost.gid = config.ids.gids.vhost;
# https://blog.zeninc.net/index.php?post/2018/04/01/Un-annuaire-pour-les-gouverner-tous.......
config.services.dovecot2 = {
enable = true;
enablePAM = false;
enablePop3 = true;
enableImap = true;
enableLmtp = true;
protocols = [ "sieve" ];
modules = [
pkgs.dovecot_pigeonhole
pkgs.dovecot_fts-xapian
];
mailUser = "vhost";
mailGroup = "vhost";
createMailUser = false;
mailboxes = [
{ name = "Trash"; auto = "subscribe"; specialUse = "Trash"; }
{ name = "Junk"; auto = "subscribe"; specialUse = "Junk"; }
{ name = "Sent"; auto = "subscribe"; specialUse = "Sent"; }
{ name = "Drafts"; auto = "subscribe"; specialUse = "Drafts"; }
];
mailLocation = "mbox:~/Mail:INBOX=~/Mail/Inbox:INDEX=~/.imap";
sslServerCert = "/var/lib/acme/mail/fullchain.pem";
sslServerKey = "/var/lib/acme/mail/key.pem";
sslCACert = "/var/lib/acme/mail/fullchain.pem";
extraConfig = builtins.concatStringsSep "\n" [
''
postmaster_address = postmaster@immae.eu
mail_attribute_dict = file:%h/dovecot-attributes
imap_idle_notify_interval = 20 mins
namespace inbox {
type = private
separator = /
inbox = yes
list = yes
}
''
# Full text search
''
# needs to be bigger than any mailbox size
default_vsz_limit = 2GB
mail_plugins = $mail_plugins fts fts_xapian
plugin {
plugin = fts fts_xapian
fts = xapian
fts_xapian = partial=2 full=20
fts_autoindex = yes
fts_autoindex_exclude = \Junk
fts_autoindex_exclude2 = \Trash
fts_autoindex_exclude3 = Virtual/*
}
''
# Antispam
# https://docs.iredmail.org/dovecot.imapsieve.html
''
# imap_sieve plugin added below
plugin {
sieve_plugins = sieve_imapsieve sieve_extprograms
imapsieve_url = sieve://127.0.0.1:4190
# From elsewhere to Junk folder
imapsieve_mailbox1_name = Junk
imapsieve_mailbox1_causes = COPY APPEND
imapsieve_mailbox1_before = file:${./sieve_scripts}/report_spam.sieve;bindir=/var/lib/vhost/.imapsieve_bin
# From Junk folder to elsewhere
imapsieve_mailbox2_name = *
imapsieve_mailbox2_from = Junk
imapsieve_mailbox2_causes = COPY
imapsieve_mailbox2_before = file:${./sieve_scripts}/report_ham.sieve;bindir=/var/lib/vhost/.imapsieve_bin
sieve_pipe_bin_dir = ${sieve_bin}
sieve_global_extensions = +vnd.dovecot.pipe +vnd.dovecot.environment
}
''
# Services to listen
''
service imap-login {
inet_listener imap {
}
inet_listener imaps {
}
}
service pop3-login {
inet_listener pop3 {
}
inet_listener pop3s {
}
}
service imap {
}
service pop3 {
}
service auth {
unix_listener auth-userdb {
}
unix_listener ${config.services.postfix.config.queue_directory}/private/auth {
mode = 0666
}
}
service auth-worker {
}
service dict {
unix_listener dict {
}
}
service stats {
unix_listener stats-reader {
user = vhost
group = vhost
mode = 0660
}
unix_listener stats-writer {
user = vhost
group = vhost
mode = 0660
}
}
''
# Authentification
''
first_valid_uid = ${toString config.ids.uids.vhost}
disable_plaintext_auth = yes
passdb {
driver = ldap
args = ${config.secrets.fullPaths."dovecot/ldap"}
}
userdb {
driver = static
args = user=%u uid=vhost gid=vhost home=/var/lib/vhost/%d/%n/ mail=mbox:~/Mail:INBOX=~/Mail/Inbox:INDEX=~/.imap
}
''
# Zlib
''
mail_plugins = $mail_plugins zlib
plugin {
zlib_save_level = 6
zlib_save = gz
}
''
# Sieve
''
plugin {
sieve = file:~/sieve;bindir=~/.sieve-bin;active=~/.dovecot.sieve
}
service managesieve-login {
}
service managesieve {
}
''
# Virtual mailboxes
''
mail_plugins = $mail_plugins virtual
namespace Virtual {
prefix = Virtual/
location = virtual:~/Virtual
}
''
# Protocol specific configuration
# Needs to come last if there are mail_plugins entries
''
protocol imap {
mail_plugins = $mail_plugins imap_sieve
}
protocol lda {
mail_plugins = $mail_plugins sieve
}
''
];
};
config.networking.firewall.allowedTCPPorts = [ 110 143 993 995 4190 ];
config.system.activationScripts.dovecot = {
deps = [ "users" ];
text =''
install -m 0755 -o vhost -g vhost -d /var/lib/vhost
'';
};
config.security.acme.certs."mail" = {
postRun = ''
systemctl restart dovecot2.service
'';
extraDomains = {
"imap.immae.eu" = null;
"pop3.immae.eu" = null;
};
};
}
|
