Hello, This is my first post on the forum so fingers crossed for some help from you folks.
I have recently purchased UTM and i'm on v9.3. I have set us Web filtering, VPN and Webserver protection in my organisation without many issues.
I am totally stuck on the Email protection, our old setup used the Sophos email appliance to filter email and do SPX, this worked without issue.
I now have the UTM set up on a different internet feed and I am transferring services over from one IP range to this new one. I have re-pointed our A record to the new UTM on one of the external public IP addresses. Email does come through eventually but it can take over an hour in some cases.
When I use a tools like MX toolbox it tells me that the 'Reverse DNS fails' and that 'You hung up on us after we connected' when I run the tests.
Now I have run this against the old Sophos Email Appliance and the tests mainly come back as all OK so I don't think its anything to do with the way I have configured my DNS records.
Any Ideas why?
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