Fix IPv6 mail sending, add noreply alias

modules/mail.nix

@@ -39,7 +39,7 @@ in
       domain = "${domain}";
       origin = "${domain}";
       destination = [ "${hostname}" "${domain}" "localhost" ];
-      networks = [ "127.0.0.1" "141.30.30.169" ];
+      networksStyle = "host"; # localhost and own public IP
       sslCert = "/var/lib/acme/${hostname}/fullchain.pem";
       sslKey = "/var/lib/acme/${hostname}/key.pem";
       relayDomains = [ "hash:/var/lib/mailman/data/postfix_domains" ];
@@ -47,7 +47,6 @@ in
       extraAliases = ''
         # Taken from kaki, maybe we can throw out some at some point
         # General redirections for pseudo accounts
-        postmaster:     root
         bin:            root
         daemon:         root
         named:          root
@@ -62,9 +61,13 @@ in
         dumper:         root
         operator:       root
         abuse:          postmaster
+        postmaster:     root
 
         # trap decode to catch security attacks
         decode:         root
+
+        # yeet into the void
+        noreply:        /dev/null
       '';
       config = {
         home_mailbox = "Maildir/";
@@ -173,7 +176,6 @@ in
           inet_listener sieve {
             port = 4190
           }
-        	
           service_count = 1
         }
         service lmtp {