hosts/mermet/postfix/autogeree.net.nix

   1 { pkgs, lib, config, ... }:
   2 let
   3   domain = "autogeree.net";
   4   domainSuffix = "dc=autogeree,dc=net";
   5 in
   6 {
   7 services.postfix = {
   8   extraAliases = ''
   9   '';
  10   virtual = ''
  11     root@${domain} julm+root@${domain}
  12   '';
  13   tls_server_sni_maps =
  14     let chain = [
  15       "/var/lib/acme/${domain}/key.pem"
  16       "/var/lib/acme/${domain}/fullchain.pem"
  17     ]; in {
  18     "smtp.${domain}" = chain;
  19     "mail.${domain}" = chain;
  20   };
  21   config = {
  22     virtual_mailbox_domains = [ domain ];
  23     virtual_mailbox_maps = [
  24       # Map the main address and aliases to the main mail address.
  25       # This is checked by permit_auth_recipient
  26       ("ldap:"+pkgs.writeText "ldap-mail-${domain}.cf" ''
  27         domain           = ${domain}
  28         version          = 3
  29         debuglevel       = 0
  30         server_host      = ldapi://%2Frun%2Fslapd%2Fsock
  31         bind             = sasl
  32         sasl_mechs       = EXTERNAL
  33         search_base      = ou=posix,${domainSuffix}
  34         scope            = sub
  35         dereference      = 0
  36         query_filter     = (&(|(mail=%s)(mailAlias=%s))(mailEnabled=TRUE))
  37         result_format    = %s
  38         result_attribute = mail
  39       '')
  40     ];
  41     # Map MAIL FROM addresses to the SASL login names allowed to use it.
  42     smtpd_sender_login_maps = [
  43       ("ldap:"+pkgs.writeText "ldap-senders-${domain}.cf" ''
  44         domain           = ${domain}
  45         version          = 3
  46         debuglevel       = 0
  47         server_host      = ldapi://%2Frun%2Fslapd%2Fsock
  48         bind             = sasl
  49         sasl_mechs       = EXTERNAL
  50         search_base      = ou=posix,${domainSuffix}
  51         scope            = sub
  52         dereference      = 0
  53         query_filter     = (&(|(mail=%s)(mailAlias=%s))(mailEnabled=TRUE))
  54         result_format    = %s@${domain}
  55         result_attribute = uid
  56       '')
  57     ];
  58   };
  59 };
  60 security.acme.certs."${domain}" = {
  61   postRun = "systemctl reload postfix";
  62 };
  63 systemd.services.postfix = {
  64   wants = [ "openldap.service" "acme-selfsigned-${domain}.service" "acme-${domain}.service"];
  65   after = [ "openldap.service" "acme-selfsigned-${domain}.service" ];
  66 };
  67 }