diff --git a/backend/src/services/emailProvider/pleskProvider.ts b/backend/src/services/emailProvider/pleskProvider.ts
index 60bcd72e..83c56f8c 100644
--- a/backend/src/services/emailProvider/pleskProvider.ts
+++ b/backend/src/services/emailProvider/pleskProvider.ts
@@ -507,14 +507,26 @@ export class PleskEmailProvider implements IEmailProvider {
       // Mails landen weiterhin bei den Mailgroup-Members.
       // Der Service-Layer importiert vorher die Mailgroup-Members in die
       // `targets`-Liste, damit beim Umschalten nichts verloren geht.
-      await this.request('POST', '/api/v2/cli/mail/call', {
-        params: [
-          '--update', email,
-          '-mailgroup', 'false',
-          '-forwarding', 'true',
-          '-forwarding-addresses', `set:${targets.join(',')}`,
-        ],
-      });
+      const cliParams = [
+        '--update', email,
+        '-mailgroup', 'false',
+        '-forwarding', 'true',
+        '-forwarding-addresses', `set:${targets.join(',')}`,
+      ];
+      console.log('[Plesk updateForwardTargets] CLI params:', cliParams);
+      const result = await this.request<{ code: number; stdout: string; stderr: string }>(
+        'POST',
+        '/api/v2/cli/mail/call',
+        { params: cliParams },
+      );
+      console.log('[Plesk updateForwardTargets] response:', JSON.stringify(result, null, 2));
+
+      if (result.code !== 0 || /error|failed/i.test(result.stderr || '')) {
+        return {
+          success: false,
+          error: result.stderr?.trim() || result.stdout?.trim() || `Plesk returned code ${result.code}`,
+        };
+      }
 
       return {
         success: true,