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Submitted Domain Name with Bounce E-Mails

aossigno
Level 1
Level 1

Hi Community,

Based on the configuration below, i'ld expect this behavior:

  • Sending server tries to deliver e-mail to john.smith@dzhyp.de
  • Receiving server bounces e-mail (e.g. due to wrong recipient) and gives back a bounce-mail with sender e-mail postmaster@dzhyp.de

What actually happens is, the receiving server gives back a bounce with „mx1.dzhyp.de“ or „mx2.dzhyp.de“ (the public hostnames) as sender-domain. This leads of course to SPF failures for the bounce e-mails:

aossigno_3-1694002254685.png

We’ve established this setting on the network listener used to being reached out from the internet:

aossigno_0-1694002254672.png

We’ve also tried the setting „work queue“ without any change in the behavior.

 

This is the Bounce profile beeing used:

aossigno_1-1694002254679.png

 

And these are the bounce addresses, which should be used:

aossigno_2-1694002254680.png

I currently cannot find the root cause of this connection behavior and hope, you can help me.

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