hosts/mermet/postfix/sourcephile.fr.nix

   1 { pkgs, lib, config, ... }:
   2 let
   3   domain = "sourcephile.fr";
   4   domainSuffix = "dc=sourcephile,dc=fr";
   5 in
   6 {
   7 services.postfix = {
   8   extraAliases = ''
   9   '';
  10   virtual = ''
  11     root@${domain} julm+root@${domain}
  12   '';
  13   transport = ''
  14   '';
  15   tls_server_sni_maps =
  16     let chain = [
  17       "/var/lib/acme/${domain}/key.pem"
  18       "/var/lib/acme/${domain}/fullchain.pem"
  19     ]; in {
  20     "smtp.${domain}" = chain;
  21     "mail.${domain}" = chain;
  22   };
  23   config = {
  24     virtual_mailbox_domains = [
  25       domain
  26     ];
  27     virtual_mailbox_maps = [
  28       # Map the main address and aliases to the main mail address.
  29       # This is checked by permit_auth_recipient
  30       ("ldap:"+pkgs.writeText "ldap-mail-${domain}.cf" ''
  31         domain           = ${domain}
  32         version          = 3
  33         debuglevel       = 0
  34         server_host      = ldapi://
  35         bind             = sasl
  36         sasl_mechs       = EXTERNAL
  37         search_base      = ou=posix,${domainSuffix}
  38         scope            = sub
  39         dereference      = 0
  40         query_filter     = (&(|(mail=%s)(mailAlias=%s))(mailEnabled=TRUE))
  41         result_format    = %s
  42         result_attribute = mail
  43       '')
  44     ];
  45     # Map MAIL FROM addresses to the SASL login names allowed to use it.
  46     smtpd_sender_login_maps = [
  47       ("ldap:"+pkgs.writeText "ldap-senders-${domain}.cf" ''
  48         domain           = ${domain}
  49         version          = 3
  50         debuglevel       = 0
  51         server_host      = ldapi://
  52         bind             = sasl
  53         sasl_mechs       = EXTERNAL
  54         search_base      = ou=posix,${domainSuffix}
  55         scope            = sub
  56         dereference      = 0
  57         query_filter     = (&(|(mail=%s)(mailAlias=%s))(mailEnabled=TRUE))
  58         result_format    = %s@${domain}
  59         result_attribute = uid
  60       '')
  61     ];
  62   };
  63 };
  64 security.acme.certs."${domain}" = {
  65   postRun = "systemctl reload postfix";
  66 };
  67 systemd.services.postfix = {
  68   wants = [ "openldap.service" "acme-selfsigned-${domain}.service" "acme-${domain}.service"];
  69   after = [ "openldap.service" "acme-selfsigned-${domain}.service" ];
  70 };
  71 }