diff --git a/nixos/hosts/hades/mastodon/configuration.nix b/nixos/hosts/hades/mastodon/configuration.nix
index 4f37f9a..4302199 100644
--- a/nixos/hosts/hades/mastodon/configuration.nix
+++ b/nixos/hosts/hades/mastodon/configuration.nix
@@ -65,7 +65,7 @@ in {
     smtp = {
       createLocally = false;
       fromAddress = "mastodon@xirion.net";
-      host = "mail.xirion.net";
+      host = "mail.0x76.dev";
       user = "mastodon@xirion.net";
       authenticate = true;
       port = 587;
diff --git a/nixos/hosts/olympus/mailserver/configuration.nix b/nixos/hosts/olympus/mailserver/configuration.nix
index 6440344..2996539 100644
--- a/nixos/hosts/olympus/mailserver/configuration.nix
+++ b/nixos/hosts/olympus/mailserver/configuration.nix
@@ -79,6 +79,10 @@ in {
         hashedPasswordFile = "${vs.mailserver}/snapraid@0x76.dev";
         sendOnly = true;
       };
+      "mastodon@xirion.net" = {
+        hashedPasswordFile = "${vs.mailserver}/mastodon@xirion.net";
+        sendOnly = true;
+      };
     };
 
     indexDir = "/var/lib/dovecot/indices";