diff --git a/config/aliases b/config/aliases
new file mode 100644
index 0000000..d90ab72
--- /dev/null
+++ b/config/aliases
@@ -0,0 +1 @@
+root: mathias_stuhlbein
diff --git a/modules/mail.nix b/modules/mail.nix
index d047743..88b5f5a 100644
--- a/modules/mail.nix
+++ b/modules/mail.nix
@@ -95,7 +95,7 @@ in
           "permit_mynetworks"
           "reject_unauth_destination"
         ];
-        #alias_maps = [ "ldap:${ldap-aliases}" ];
+        alias_maps = [ "hash:${../config/aliases}" ];
         smtpd_milters = [ "local:/run/opendkim/opendkim.sock" ];
         non_smtpd_milters = [ "local:/var/run/opendkim/opendkim.sock" ];
         smtpd_sasl_auth_enable = true;
diff --git a/modules/mailman.nix b/modules/mailman.nix
index a133729..1841e53 100644
--- a/modules/mailman.nix
+++ b/modules/mailman.nix
@@ -10,7 +10,10 @@
     webHosts = [ "lists.${config.fsr.domain}" ];
     hyperkitty.enable = true;
     enablePostfix = true;
-    siteOwner = "root@${config.fsr.domain}";
+    siteOwner = "mailman@${config.fsr.domain}";
+    settings = {
+      mta.smtp_secure_mode = "SecureMode.SMTPS";
+    };
     ldap = {
       enable = true;
       serverUri = "ldap://localhost";