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Email name spoofing - TLD Blocking

Has the feature been enabled or do we have a date when it might be possible?

Email name spoofing is a huge problem and we have all the dkim and spf records in place but they mean nothing if the email filter is not helping with this

Also, TLD blocking I am currently doing this in my exchange server as the XGS does not do it anymore as the UTM did previously. when can we see this being implemented?

as not all companies run in the cloud and still use on-premise and a private cloud and I have seen people asking for both of these for years now.



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  • Hello there,

    thanks for the update, I thought this was for Sophos Email as it was posted on this Sophos Email Forum. I moved it now to Sophos Firewall. 

    Could you try to enable/check the following on Sophos Firewall Email Settings MTA mode Advance settings

    -Reject invalid HELO or missing RDNS 

    -Do strict RDNS checks.

    Kindly let us know how it goes after these are enabled.

    Many thanks for your time and patience and thank you for choosing Sophos 

    Cheers,

    Raphael Alganes
    Community Support Engineer | Sophos Technical Support
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