104 lines
3.2 KiB
Nix

{ primaryMailserver, primaryDomain, authentikServer, servedDomains, ldapBase
, ldapBindDn, ldapBindPwFile, dkimRecord, saslDomain, authentikOutpostToken, ...
}:
{ config, lib, pkgs, ... }:
with lib;
let hostname = config.instance.hostname;
in {
config = {
fudo = {
acme.host-domains = {
"imap.${primaryDomain}".extra-domain = [ "mail.${primaryDomain}" ];
"smtp.${primaryDomain}".extra-domain = [ "mail.${primaryDomain}" ];
};
zones."${primaryDomain}" = let
mailserverDomain = config.fudo.hosts."${primaryMailserver}".domain;
mailserverZone = config.fudo.domains."${mailserverDomain}".zone;
mailserverIps =
config.fudo.zones."${mailserverZone}".hosts."${mailserver}";
in {
hosts = {
imap = {
ipv4-address = mailserverIps.ipv4-address;
ipv6-address = mailserverIps.ipv6-address;
};
smtp = {
ipv4-address = mailserverIps.ipv4-address;
ipv6-address = mailserverIps.ipv6-address;
};
mail = {
ipv4-address = mailserverIps.ipv4-address;
ipv6-address = mailserverIps.ipv6-address;
};
};
# FIXME: DKIM key!!!
verbatim-dns-records = [ dkimRecord ];
};
mail = {
enable = hostname == primaryMailserver;
debug = true;
primary-domain = primaryDomain;
sasl-domain = saslDomain;
trusted-networks = config.instance.local-networks;
smtp = {
hostname = "smtp.${primaryDomain}";
ssl-directory =
config.security.acme.certs."smtp.${primaryDomain}".directory;
};
imap = {
hostname = "imap.${primaryDomain}";
ssl-directory =
config.security.acme.certs."imap.${primaryDomain}".directory;
};
ldap = {
authentik-host = "https://${authentikServer}";
outpost-token = readFile authentikOutpostToken;
base = ldapBase;
bind-dn = ldapBindDn;
bind-password-file = ldapBindPwFile;
};
aliases = let admins = config.instance.local-admins;
in {
alias-users = {
admin = admins;
dmarc-reports = admins;
ftp = admins;
hostmaster = admins;
irc = admins;
postmaster = admins;
root = admins;
system = admins;
webmaster = admins;
www-data = admins;
};
user-aliases =
let hasAliases = _: userOpts: userOpts.email-aliases != [ ];
in mapAttrs (_: userOpts: userOpts.email-aliases)
(filterAttrs hasAliases config.fudo.users);
};
};
};
services.nginx = mkIf (hostname == primaryMailserver) {
enable = true;
virtualHosts = {
"smtp.${primaryDomain}" = {
enableACME = true;
forceSSL = true;
locations."/".return = "301 https://webmail.${primaryDomain}";
};
"imap.${primaryDomain}" = {
enableACME = true;
forceSSL = true;
locations."/".return = "301 https://webmail.${primaryDomain}";
};
};
};
};
}