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{ config, pkgs, ... }: {
imports = [
(builtins.fetchTarball {
url = "https://gitlab.com/simple-nixos-mailserver/nixos-mailserver/-/archive/nixos-25.05/nixos-mailserver-nixos-25.05.tar.gz";
sha256 = "0jpp086m839dz6xh6kw5r8iq0cm4nd691zixzy6z11c4z2vf8v85";
})
];
mailserver = {
enable = true;
fqdn = "mail.krinitsin.com";
domains = [ "krinitsin.com" ];
certificateScheme = "acme-nginx";
lmtpSaveToDetailMailbox = "no";
# To create the password hashes, use nix-shell -p mkpasswd --run 'mkpasswd -sm bcrypt'
loginAccounts = {
"mail@krinitsin.com" = {
hashedPasswordFile = "/secret/mail@krinitsin.com";
aliases = [ "postmaster@krinitsin.com" "christian@krinitsin.com" "@krinitsin.com" ];
};
"wladislaw@krinitsin.com" = {
hashedPasswordFile = "/secret/wladislaw@krinitsin.com";
};
"vaultwarden@krinitsin.com" = {
hashedPasswordFile = "/secret/vaultwarden@krinitsin.com";
sendOnly = true;
};
};
};
services.roundcube = {
enable = true;
hostName = "webmail.krinitsin.com";
extraConfig = ''
$config['smtp_host'] = "tls://${config.mailserver.fqdn}";
$config['smtp_user'] = "%u";
$config['smtp_pass'] = "%p";
'';
};
services.monit.config = ''
check process postfix with pidfile /var/lib/postfix/queue/pid/master.pid
start program = "${pkgs.systemd}/bin/systemctl start postfix"
stop program = "${pkgs.systemd}/bin/systemctl stop postfix"
if failed port 25 protocol smtp for 5 cycles then restart
check process dovecot with pidfile /var/run/dovecot2/master.pid
start program = "${pkgs.systemd}/bin/systemctl start dovecot2"
stop program = "${pkgs.systemd}/bin/systemctl stop dovecot2"
if failed host mail.krinitsin.com port 993 type tcpssl sslauto protocol imap for 5 cycles then restart
check process rspamd with matching "rspamd: main process"
start program = "${pkgs.systemd}/bin/systemctl start rspamd"
stop program = "${pkgs.systemd}/bin/systemctl stop rspamd"
'';
security.acme.certs."krinitsin.com".extraDomainNames = [ "webmail.krinitsin.com" ];
}
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