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Exchange 2013 mailflow

Greetings,

I am having trouble getting external email flowing. I can send email internal but email sent external from owa/outlook goes to the sent folder and nothing is received nor do I receive bounce backs.

Exchange is setup to use the UTM as a smarthost and the UTM is set to send it through my ISP.

I have gone through https://community.sophos.com/products/unified-threat-management/astaroorg/f/56/t/48998 and still receive the above.

Any ideas?


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  • In Mail Manager, you can see on the 'SMTP Spool' tab if the emails are stuck there or are still on the Exchange server in its queue.

    If on the UTM,'View' one of the mails to see when an attempt was made to send it and then find the relevant lines in the SMTP log file (not the tab in Mail Manager) - show us those lines.

    Cheers - Bob
     
    Sophos UTM Community Moderator
    Sophos Certified Architect - UTM
    Sophos Certified Engineer - XG
    Gold Solution Partner since 2005
    MediaSoft, Inc. USA