machines/mermet/postfix/autogeree.net.nix

   1 { pkgs, lib, config, ... }:
   2 let
   3   inherit (pkgs.lib) loadFile;
   4   domain = "autogeree.net";
   5   domainSuffix = "dc=autogeree,dc=net";
   6 in
   7 {
   8 services.postfix = {
   9   extraAliases = ''
  10   '';
  11   virtual = ''
  12     root@${domain} julm+root@${domain}
  13   '';
  14   tls_server_sni_maps =
  15     let chain = [
  16       "/var/lib/acme/${domain}/key.pem"
  17       "/var/lib/acme/${domain}/fullchain.pem"
  18     ]; in {
  19     "smtp.${domain}" = chain;
  20     "mail.${domain}" = chain;
  21   };
  22   config = {
  23     virtual_mailbox_domains = [ domain ];
  24     virtual_mailbox_maps = [
  25       # Map the main address and aliases to the main mail address.
  26       # This is checked by permit_auth_recipient
  27       ("ldap:"+pkgs.writeText "ldap-mail-${domain}.cf" ''
  28         domain           = ${domain}
  29         version          = 3
  30         debuglevel       = 0
  31         server_host      = ldapi://
  32         bind             = sasl
  33         sasl_mechs       = EXTERNAL
  34         search_base      = ou=posix,${domainSuffix}
  35         scope            = sub
  36         dereference      = 0
  37         query_filter     = (&(|(mail=%s)(mailAlias=%s))(mailEnabled=TRUE))
  38         result_format    = %s
  39         result_attribute = mail
  40       '')
  41     ];
  42     # Map MAIL FROM addresses to the SASL login names allowed to use it.
  43     smtpd_sender_login_maps = [
  44       ("ldap:"+pkgs.writeText "ldap-senders-${domain}.cf" ''
  45         domain           = ${domain}
  46         version          = 3
  47         debuglevel       = 0
  48         server_host      = ldapi://
  49         bind             = sasl
  50         sasl_mechs       = EXTERNAL
  51         search_base      = ou=posix,${domainSuffix}
  52         scope            = sub
  53         dereference      = 0
  54         query_filter     = (&(|(mail=%s)(mailAlias=%s))(mailEnabled=TRUE))
  55         result_format    = %s@${domain}
  56         result_attribute = uid
  57       '')
  58     ];
  59   };
  60 };
  61 security.acme.certs."${domain}" = {
  62   postRun = "systemctl reload postfix";
  63 };
  64 systemd.services.postfix = {
  65   wants = [ "acme-selfsigned-${domain}.service" "acme-${domain}.service"];
  66   after = [ "acme-selfsigned-${domain}.service" ];
  67 };
  68 }