Greetings Sophos community. I have a Windows 2016 server that serves as the Sophos management server and has SEC 5.5.1 running with client version 10.8.4 VE 3.74.1.
When I attempt to configure the SMTP settings from SEC > Tools > Configure SMTP settings, I enter the SMTP server (by either IP or DNS Hostname) and try to test it, I get "SMTP settings do not refer to a valid SMTP server or the server is inactive".
In my testing, I've:
- verified the SMTP server includes the Sophos host server's IP in the "allow list"
- confirmed I can ping the SMTP server AND telnet to it using [telnet smtp-servername 25]
- tried using the IP and DNS name of the SMTP server with the :25
- verified the GP that is applied to the Sophos management server allows traffic on port 25 and 587
I'm at wits end with this as I missed an alert that a PC had detected an infection. Being the sole admin for 250 host environment makes email notification critical. Any help getting this to work would be appreciated. Thanks in advance for your time.
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