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F-Secure Protection Server Open Relay

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jQ
jQ W/ Alumni Posts: 3 Security Scout

Hello guys,

 

we have a domino server and an F-Secure Protection Server in front of it to act as a Spam filter. When I check my SMTP status of the MX record it shows that the server is Open Relay. We have made the Domino mail server to reject open relay messaging but aparently the F-Secure Protection server that is the first entry point seems to be an open relay server.

 

How can we change this, so that our server doesn't appear as an open relay?

 

Thank you.

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  • jQ
    jQ W/ Alumni Posts: 3 Security Scout
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    Hmm, this is exactly as you say it is. I tested the relay with addresses from different domains (not example.com or the actual mail domain) and it sais "Relay denied".

     

    Thank you so much for the quick answer.

     

     

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