Following this realease : https://community.sophos.com/phish-threat/b/blog/posts/sophos-phishthreat-now-supports-microsoft-exchange-2016-and-2019
I tested and it still doesn't work. Symptoms are identical : idle for 4-5 minutes to "is working on your Report to Sophos request" then it says to check network connection (while I obviously have a network connection).
I know how to deploy an addin, no doubt about that one.
The client is O365 in version 2208 which I believe is the latest, the server is an on-prem exchange 2019.
Not working both on OWA and client.
I don't see anything blocked on our firewall.
Thanks for reaching out to the Sophos Community Forum.
If you were to change the settings on your Outlook profile to disable "Cached mode" do the results change?
I am not using cached mode. Also, it doesn't work on webmail either.
We have the same issue with the new Add-in. I tested it with and without the cached mode in Outlook and it doesn´t work. Are there any other solutions?
Please connect with me at Santosh.email@example.com. I would need a few details from you to check your account and investigate further.