Hi
I have been reading about Email MTA mode etc and all i see is the assumption that the main server is inside the firewall. Our mail server is hosted externally, how does MTA help in that instance?
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Jon,
you can filter Email using XG into MTA mode by:
For the outboud email, you have to forward email from your email server to XG MTA IP (so the traffic is filtered).
Regards
Jon,
I suggest you to read how MTA and MX works generally on Google.
https://www.wireload.net/news/2011/12/understanding_email_routing_ie_mx-records.html
https://dnsdb.cit.cornell.edu/explain_mx.html
https://en.wikipedia.org/wiki/MX_record
This is a general behaviour and it is not related to any vendor.
Regards