On Tue, 21 Sep 2004, Ron McKeating wrote:
> We have tried using other ports but no joy, has anybody found a way
> round this.
Really? Port 587 and 465 don't work?
I note that some broken software (written by our favourite whipping boys
in Redmond) insists on using tls-on-connect on ports other than 25, so you
have to support both old nonstandard smtps on port 465, and a standard RFC
2476 submission server on port 587. Our recommendations can be seen at
http://www.cam.ac.uk/cs/email/muasettings.html
Also, the first author of draft-hutzler-spamops-02 works for AOL and that
document states that ISPs MUST NOT block or intercept port 587.
Tony.
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