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Upstream Host List Confusion

nostradamus99
After reading the following topic: https://community.sophos.com/products/unified-threat-management/astaroorg/f/56/t/48548
which didn't see a proper closing I'm still confused when the Upstream Host List has to be used.
My MX setup is like this:
MX preference = 10, mail exchanger = myhost.xs4all.nl (= astaro box)
MX preference = 20, mail exchanger = relay.transip.nl (= fallback mx at domain hoster)

The domain hoster doesn't use greylisting. (what often happens is that the sending host is greylisted, after which the mail is immediately sent to my fallback mx which in turn delivers it to my box)

Questions:
- Should I enter the relay.transip.nl host in my (Astaro V8) Upstream Host List,yes or no?
- And if so, should I exclude the relay.transip.nl host from any other checks in order for the antispam measures to work properly..?


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  • 0
    - Should I enter the relay.transip.nl host in my (Astaro V8) Upstream Host List,yes or no?

    Yes, and you shouldn't need to change other settings.

    I don't think the issue with greylisting should affect all of your correspondants.  The few that don't handle greylisting well can be put in an Exception.  Personally, since the adoption of the Commtouch enigne, I've stopped recommending greylisting because of the near-perfect results.  I just don't think greylisting offers that much advantage anymore.

    Cheers - Bob
     
    Sophos UTM Community Moderator
    Sophos Certified Architect - UTM
    Sophos Certified Engineer - XG
    Gold Solution Partner since 2005
    MediaSoft, Inc. USA
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  • 0
    - Should I enter the relay.transip.nl host in my (Astaro V8) Upstream Host List,yes or no?

    Yes, and you shouldn't need to change other settings.

    I don't think the issue with greylisting should affect all of your correspondants.  The few that don't handle greylisting well can be put in an Exception.  Personally, since the adoption of the Commtouch enigne, I've stopped recommending greylisting because of the near-perfect results.  I just don't think greylisting offers that much advantage anymore.

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