Sophos XG Firewall introduced MTA mode in SFOS version 16. In MTA mode, XG firewall works as a regular MTA by relaying emails from the Internet to internal mail server.
This article provides information on how to configure Email Protection in MTA mode.
The following sections are covered:
Applies to the following Sophos product(s) and version(s)
MTA keeps saying "no relaying allowed"
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