I've searched for solutions but they are pre-v18 and no longer seem relevant as the way emails is processed is quite different.
Originally, we were processing emails through v18 for anti-virus and DKIM signing but were having issues with the signing. Basically we were getting reports of DKIM failures for a subdomain of our main domain - but we don't send emails from a subdomain! If our domain were mydomain.com we were getting successful reports for that domain but also failures for mail.mydomain.com. Every manual test we did worked fine and we were having difficulties identifying what these emails were or where they were coming from. We didn't have this issue with our previous DKIM signing software.
We also have just started evaluating a new on-premises spam solution that includes anti-virus and DKIM signing so we want to use that instead of processing emails in XG. This has only been in place for less than a week so we don't know if it will fix the DKIM problem or whether the problem is somewhere other than XG.
I found it a bit of a pain finding out how to disable email processing on the XG. In the end, I switched to legacy mode, disabled any SMTP scanning options in XG and stopped the anti-spam service. This seemed to work although can someone confirm this is the correct way to achieve what I want as this doesn't seem to be documented anywhere for v18?
Also, although SMTP traffic seems to pass through fine now. I'm not getting any emails from XG now, alerts or email backups, which is obviously a bit of an issue. I have searched through the XG menus but can't find anywhere to specify mail server setttings to send system emails to. Can someone point me in the right direction or does it not exist?
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