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2 hops for SMTP Traffic

Krosty

Hi Community,

i was testing XG in MTA Mode. But my incomming mail traffic goes in circles.

I have a Mail Appliance for Encyption and Secure Mail Portal and an Exchange Server.

The Appliance is in DMZ, the Exchange is LAN.

I have a Policy for my Mail Domain that routes the Mail traffic to Mail Appliance.

The Mail Appliance then sends Mail Traffic for my Domain to the Exchange.

Internet < XG > DMZ Mail Appliance < XG > Exchange

How can i make Ignoring the XG the incomming SMTPTraffic between Mail Appliance and Exchange.

Or should i give the Exchange a SMTP Connector in the DMZ?

 



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  • 0

    You should disable the SMTP scanning rule in firewall rules. Then let Mail Appliance directly pass the email to exchange via Port 25. 

  • 0 in reply to LuCar Toni

    Good Morning, 

    i checked this, and i still have this . 

    After i read your reply i realized i forgot to write all configs  i made.

    So i have a FW Rule between Exchange and Appliance both directions port 25 no Mail Scanning

    I have set under host Based Relay the Exchange und Appliance as allowed   (Eventually this ist the mistake ?)

    i have set Upstream hosts my Providers Mail Server Network

    My Goal is to use the Spam, Quaratine and AV from the sophos on incomming and outgoing mails to internet.

Reply
  • 0 in reply to LuCar Toni

    Good Morning, 

    i checked this, and i still have this . 

    After i read your reply i realized i forgot to write all configs  i made.

    So i have a FW Rule between Exchange and Appliance both directions port 25 no Mail Scanning

    I have set under host Based Relay the Exchange und Appliance as allowed   (Eventually this ist the mistake ?)

    i have set Upstream hosts my Providers Mail Server Network

    My Goal is to use the Spam, Quaratine and AV from the sophos on incomming and outgoing mails to internet.

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