servers/mermet/postfix/sourcephile.fr.nix

   1 { pkgs, lib, config, ... }:
   2 let
   3   inherit (pkgs.lib) loadFile;
   4   domain = "sourcephile.fr";
   5   domainSuffix = "dc=sourcephile,dc=fr";
   6 in
   7 {
   8 services.postfix = {
   9   extraAliases = ''
  10   '';
  11   virtual = ''
  12     root@${domain} julm+root@${domain}
  13     atelier@${domain}       public-inbox@localhost
  14     bar@${domain}           public-inbox@localhost
  15     contact@${domain}       public-inbox@localhost
  16     ecole@${domain}         public-inbox@localhost
  17     environnement@${domain} public-inbox@localhost
  18     labo@${domain}          public-inbox@localhost
  19     machines@${domain}      public-inbox@localhost
  20     pont@${domain}          public-inbox@localhost
  21     test@${domain}          public-inbox@localhost
  22   '';
  23   tls_server_sni_maps =
  24     let chain = [
  25       "/var/lib/acme/${domain}/key.pem"
  26       "/var/lib/acme/${domain}/fullchain.pem"
  27     ]; in {
  28     "smtp.${domain}" = chain;
  29     "mail.${domain}" = chain;
  30   };
  31   config = {
  32     virtual_mailbox_domains = [
  33       domain
  34     ];
  35     virtual_mailbox_maps = [
  36       # Map the main address and aliases to the main mail address.
  37       # This is checked by permit_auth_recipient
  38       ("ldap:"+pkgs.writeText "ldap-mail-${domain}.cf" ''
  39         domain           = ${domain}
  40         version          = 3
  41         debuglevel       = 0
  42         server_host      = ldapi://
  43         bind             = sasl
  44         sasl_mechs       = EXTERNAL
  45         search_base      = ou=posix,${domainSuffix}
  46         scope            = sub
  47         dereference      = 0
  48         query_filter     = (&(|(mail=%s)(mailAlias=%s))(mailEnabled=TRUE))
  49         result_format    = %s
  50         result_attribute = mail
  51       '')
  52     ];
  53     # Map MAIL FROM addresses to the SASL login names allowed to use it.
  54     smtpd_sender_login_maps = [
  55       ("ldap:"+pkgs.writeText "ldap-senders-${domain}.cf" ''
  56         domain           = ${domain}
  57         version          = 3
  58         debuglevel       = 0
  59         server_host      = ldapi://
  60         bind             = sasl
  61         sasl_mechs       = EXTERNAL
  62         search_base      = ou=posix,${domainSuffix}
  63         scope            = sub
  64         dereference      = 0
  65         query_filter     = (&(|(mail=%s)(mailAlias=%s))(mailEnabled=TRUE))
  66         result_format    = %s@${domain}
  67         result_attribute = uid
  68       '')
  69     ];
  70   };
  71 };
  72 security.acme.certs."${domain}" = {
  73   postRun = "systemctl try-reload postfix";
  74 };
  75 systemd.services.postfix = {
  76   wants = [ "acme-selfsigned-${domain}.service" "acme-${domain}.service"];
  77   after = [ "acme-selfsigned-${domain}.service" ];
  78 };
  79 }