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A lot of Rejected inbound emails; IP Address is Blacklisted

Yogi_Bear_79

Suddenly seeing a lot of rejected emails.  Hover over the rejected in the log shows " Sophos Anti Spam Engine has blocked this Email because the sender IP is blacklisted"  These same senders can be fine within minutes before/after these rejected emails.  Adding them to an exception for AntiSpam is monotonous. 



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  • 0

    Hello there,

    Thank you for contacting the Sophos Community.

    If the issue still persists, access the advanced shell of the XG (5>3) and run the following commands:

    service -S | grep smtp

    service smtpd:debug -ds nosync

    The second one will put the smtpd in debug mode, once the issue happens again, disable it, make a note of what email was passing through fine, then it got blocked and open a case with support with that info and share the Case ID.

    Regards,

  • 0

    I changed from the default RBLs yesterday after posting this. The problem seems to have been resolved.