[NCLUG] comcast blocking port 25?

[Sean Reifschneider]

On Wed, Mar 07, 2007 at 09:19:52AM -0700, Matt wrote:
>be blocked? My understanding is that port 587 should be used. Should I
>configure postfix to look at both 25 and 587?  If so, how?

587 should be used, if comcast suggests it, for outgoing mail.  That is
"mail submission" which is different than incoming SMTP (port 25).
This is supposed to be so that a mail server can deal with it's own users,
sending outgoing mail, differently than it deals with incoming e-mail.

Sean
-- 
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Sean Reifschneider, Member of Technical Staff <jafo at tummy.com>
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