This article describes the steps to scan SMTP connections on a custom and/or specified ports. The following sections are covered:
Applies to the following Sophos products and versions Sophos Firewall v17.5 onward.
From v17.5, if you want to scan SMTP/S traffic on a custom port or on specified port i.e. 587 then you need to follow the steps below.
set service-param SMTP add port <port>
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