Reporting-MTA: dns; fx305.security-mail.net
X-Postfix-Queue-ID: C377D30F76A
X-Postfix-Sender: rfc822; xxxxxxxxxxxxxxxxxxxxxxxxxx@xxxxxx.xx
Arrival-Date: Thu, 13 Apr 2023 14:51:23 +0200 (CEST)

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