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Relay Email Traffic from Sophos XG to Exchange Online

Brad Clement

Good evening everyone,

I am wondering if something like this is possible with the Sophos XG Firewall.

We are hoping to have a scenario like the following.

MX Record is pointing to IP of Sophos > Sophos XG performs email scanning and protection > email then is forwarded or relayed to Exchange Online.

Biggest reason for wanting to do so is that the current Exchange Online license E3 only provides basic email protection and we already pay for Sophos XG which has better protection regarding spam and a number of other nice features. I understand that we could by pass Sophos XG and go directly to EO but the costs for the advanced email protection are not warranted.

Is the above possible or am I SOL and should go the better Office 365 license route?



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  • 0 in reply to dirkkotte

    This article at the end states that it only accepts IPs from Sophos Central. We are not using Sophos Central for firewall management.

    This also does not apply to Sophos XG Firewall appliance.

  • 0 in reply to Brad Clement

    that's a bit correct .... if you input the Sophos-Central-Mail-IP at step 18
    "18. Enter the Sophos (central) Email delivery IP addresses for your region"
    ... Insert your onPrem-Mail-IP ... and it should work.


    Dirk

    Systema Gesellschaft für angewandte Datentechnik mbH  // Sophos Platinum Partner
    Sophos Solution Partner since 2003
    If a post solves your question, click the 'Verify Answer' link at this post.

  • 0 in reply to dirkkotte

    I don’t think it “should” work. This article is talking about using the Email Gateway which the XG Firewall does not have the same settings/options as the Email Gateway software.

  • 0 in reply to Brad Clement

    Hi there,
    all settings in the article refer to the Exchange-Online interface.
    What do you think, which settings are missing on the sophos xg side?
    and yes ... the Sophos Email Gateway has more functions ...


    Dirk

    Systema Gesellschaft für angewandte Datentechnik mbH  // Sophos Platinum Partner
    Sophos Solution Partner since 2003
    If a post solves your question, click the 'Verify Answer' link at this post.

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