Reporting-MTA: dns; fx405.security-mail.net
X-Postfix-Queue-ID: 132FB335C9A
X-Postfix-Sender: rfc822; xxxxxxxxxxxxxxxxxxxxxxxxxx@xxxxxx.xx
Arrival-Date: Wed, 19 Apr 2023 21:24:24 +0200 (CEST)

Final-Recipient: rfc822; xxxxx@xxxxxxxxxxxxx.xx
Original-Recipient: rfc822;xxxxx@xxxxxxxxxxxxx.xx
Action: failed
Status: 5.0.0
Remote-MTA: dns; mails.security-mail.net
Diagnostic-Code: smtp; 550 xxxxx@xxxxxxxxxxxxx.xx unknown user account