I am trying to get my ActiveSync setup to work across my Sophos XG 18.5.3 MR-3 install.
I follow the recipe found at https://support.sophos.com/support/s/article/KB-000040209?language=en_US
When I try to save the firewall rule mentioned towards the bottom of the article I get an error:
"Following domain(s) will not be covered by selected HTTPS certificate 'My Mail Cert':
1. mail.mcginnie.plus.com"
This would seem to defeat the entire point of the access rule. So I tried creating another certificate using a CSR with some extra SANs, but get the same sort of result - the error denies that the addresses I want encrypted will work properly.
I can see there is one reference to this sort of error here (https://community.sophos.com/sophos-xg-firewall/f/recommended-reads/129866/automated-certificate-renewals-with-waf-and-cloudflare) where this error is suggested to be ignored.
My setup isn't working - is that because of this error or the recipe is incomplete?
Regards,
Paul McGinnie
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