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Issue when receiving Mails from Company with more than 1 MX-record

DCOM-DW
hi everybody!

could someone confirm an issue on an utm9 virtual-appliance while receiving mails from a company with more than ONE mx-record defined (f.e.: bmwgroup.com)?

Model: ASG Software
Firmware version: 9.206-35
Pattern version: 66789

there are absolutely no log's about the mails found in the SMTP-protcoll in mailmanager.
whether they are junke'd or received or something else ...



thx!


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Parents
  • 0
    Your receipt of mails from bmwgroup.com should not be affected by the fact that that domain has multiple MX records.  I suspect that you have a DNAT rule causing this.  Consider #2 in Rulz.

    Cheers - Bob
     
    Sophos UTM Community Moderator
    Sophos Certified Architect - UTM
    Sophos Certified Engineer - XG
    Gold Solution Partner since 2005
    MediaSoft, Inc. USA
Reply
  • 0
    Your receipt of mails from bmwgroup.com should not be affected by the fact that that domain has multiple MX records.  I suspect that you have a DNAT rule causing this.  Consider #2 in Rulz.

    Cheers - Bob
     
    Sophos UTM Community Moderator
    Sophos Certified Architect - UTM
    Sophos Certified Engineer - XG
    Gold Solution Partner since 2005
    MediaSoft, Inc. USA
Children
  • 0 in reply to BAlfson
    Make sure strict rdns (or add an exception) checks are turned off... also, try adding a greylisting exception if you are using greylisting.

    CTO, Convergent Information Security Solutions, LLC

    https://www.convergesecurity.com

    Sophos Platinum Partner

    --------------------------------------

    Advice given as posted on this forum does not construe a support relationship or other relationship with Convergent Information Security Solutions, LLC or its subsidiaries.  Use the advice given at your own risk.

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