Kai Schaetzl wrote:
Miark wrote on Fri, 18 Jan 2008 17:55:32 -0500:
The winning solution
Nevertheless, Bowie's solution is the correct one.
Indeed, 587 is the standard port for mail submission.
http://www.ietf.org/rfc/rfc2476.txt
http://www.ietf.org/rfc/rfc5068.txt
and since "submission" is found in /etc/services (at least on recent
systems), one can use it in firewall rules...
It is also hoped that future versions of MUAs will be
submission-friendly (propose this port and check whether STARTTLS and/or
SASL AUTH is needed, ... etc).
In addition, the service is already defined in master.cf. one just needs
to uncomment it.
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