Subject: Mail delivery failed
From: Mail Delivery System <[email-masked]>
To: [email-masked]
Date: Thu, 02 Mar 2023 05:27:26 +0100

This message was created automatically by mail delivery software.

A message sent by

  <[email-masked]>

could not be delivered to one or more of its recipients. The following
address(es) failed:

  [email-masked]
    host 36.143.65.153 [36.143.65.153]
    SMTP error from remote mail server after pipelined end of data:
    550-Verification failed for <[email-masked]>
    550-Unrouteable address
    550 Sender verify failed

Subject: Test
From: SÃ¼derbar Foo (SI) GmbH <[email-masked]>
To: ding <[email-masked]>
Date: Thu, 2 Mar 2023 05:27:25 +0100

Hallo, dies ist ein Beispiel-Text.