diff --git a/modules/services/server/nextcloud.nix b/modules/services/server/nextcloud.nix
index 1f6554b..c4088a2 100644
--- a/modules/services/server/nextcloud.nix
+++ b/modules/services/server/nextcloud.nix
@@ -46,7 +46,8 @@
                'OC\Preview\HEIC',
              )";
       "maintenance_window_start" = "1";
-      mail_from_address = "postmaster@kabtop.de";
+      mail_from_address = "postmaster";
+      mail_domain = "kabtop.de";
       mail_smtpauth = true;
       mail_smtpmode = "smtp";
       mail_smtphost = "in-v3.mailjet.com";