Knowledge base

smtp-secure-port verified

Port for implicit TLS

in the configuration this is a linesmtp-secure-port:

Port where the connection is encrypted from the start, without a STARTTLS upgrade.

Values

Values
ports
Default
· taken from the build
applying
restart required
where it can be set
in the config file · with a startup flag · as an environment variable

In detail

What mail clients call SMTPS. Needs the same certificate as STARTTLS; without one the port is useless. Empty by default, and Hub does not configure it — submissions come from our own infrastructure over a private path.