Original-Envelope-Id: <1n0bnw5jnydmizjpu3k0esns6-0@mailer.nylas.com>
Reporting-MTA: dns;FR2P281MB1734.DEUP281.PROD.OUTLOOK.COM
Received-From-MTA: dns;DEUP281.PROD.OUTLOOK.COM
Arrival-Date: Tue, 20 Jun 2023 14:39:57 +0000

Final-Recipient: rfc822;rockel@erxleben-architekten-de
Action: failed
Status: 5.1.6
Diagnostic-Code: smtp;501 5.1.6 Recipient addresses in single label domains not accepted [BEZP281MB2437.DEUP281.PROD.OUTLOOK.COM 2023-06-20T14:39:56.571Z 08DB711C1470749A]