Got an XG Firewall 115, currently running 17.5.7 MR-7.
All my standard webmail accounts send & receive just fine through my mail client, but my work email only receives, it won't send. If I switch to mobile data or any other network, it sends fine, so it's not the email client, and the problem only arose when I installed the XG Firewall into my network.
The XG is in MTA mode (I haven't yet tried Legacy mode), and I did set up the smarthost with the FQDN for my outgoing server and port.
I'm pretty new to the Sophos platform, so I could be doing something wrong, or just missing something basic.
Thanks for your help.
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