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550 Administrative prohibition (in reply to DATA command) on OOO-Mails

When I send a mail to an external recipient and he replys with an Out Of Office-Mail, our postfix (which manage our incoming Mails) can't forward it to sophos utm.

Log-Entry: status=bounced (host sophos.xxxxxx.de[<IP>] said: 550 Administrative prohibition (in reply to DATA command))

 

What's bad configured in my UTM?

 

Best Regards

Denis



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  • I don't think this kind of denial of service attempt happens any more, so I'm comfortable leaving it off if a client wants to receive all OOO emails.

    Cheers - Bob

     
    Sophos UTM Community Moderator
    Sophos Certified Architect - UTM
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