diff --git a/playbooks/templates/chaosknoten/configs/cloud/extra_configuration.config.php.j2 b/playbooks/templates/chaosknoten/configs/cloud/extra_configuration.config.php.j2
index ee6bf1a..099da7a 100644
--- a/playbooks/templates/chaosknoten/configs/cloud/extra_configuration.config.php.j2
+++ b/playbooks/templates/chaosknoten/configs/cloud/extra_configuration.config.php.j2
@@ -3,14 +3,14 @@ $CONFIG = array (
     'default_phone_region' => 'DE',
     'hide_login_form' => true,
     'mail_smtpmode' => 'smtp',
-    'mail_smtphost' => 'send-only-mailserver.ccchh.net',
+    'mail_smtphost' => 'cow.hamburg.ccc.de',
     'mail_smtpport' => 465,
     'mail_smtpsecure' => 'ssl',
     'mail_smtpauth' => true,
     'mail_smtpauthtype' => 'LOGIN',
-    'mail_smtpname' => 'nextcloud',
-    'mail_from_address' => 'cloud',
-    'mail_domain' => 'send-only-mail.ccchh.net',
+    'mail_smtpname' => 'no-reply@cloud.hamburg.ccc.de',
+    'mail_from_address' => 'no-reply',
+    'mail_domain' => 'cloud.hamburg.ccc.de',
     'mail_smtppassword' => '{{ lookup("community.general.passwordstore", "noc/vm-secrets/chaosknoten/cloud/smtp_password", create=false, missing="error") }}',
     'mail_smtpdebug' => true,
 );