Educause Security Discussion mailing list archives

Re: smtp redirection


From: Valdis Kletnieks <Valdis.Kletnieks () VT EDU>
Date: Tue, 10 May 2005 17:00:47 -0400

On Tue, 10 May 2005 15:45:29 CDT, Paul Russell said:

Some Microsoft email clients insist on using port 465 for secure SMTP, despite
the fact that this has been deprecated by the IANA.

As I said, the *canonical* answer.  Sites that insist on running software that
does things in a non-standard way, and which can't support the standard way,
are on their own.  RFC2476 nailed down 587 for the 'Submission' port back
in December 1998, and RFC2487 defined SMTP over TLS the next month.  It's been
*6 years* for the vendor to Get It Right, and for users to deploy it.

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