comcast blocking smtp25

[David Hummel]

On Thu, Jul 14, 2005 at 11:07:10PM -0400, Matt Galster wrote:
> 
> On 7/14/05, David Hummel <dhml at comcast.net> wrote:
> > On Thu, Jul 14, 2005 at 07:12:48PM -0700, Dave Peters wrote:
> > >
> > > I just setup sendmail on my home linux box and I know comcast is
> > > blocking smtp 25.  What's the option or what I need to do so I can
> > > send mail from my linux box?
> > 
> > Yes, Comcast does block SMTP out, but apparently not in all areas.
> > 
> > Configure your MTA to use smtp.comcast.net as the smart/relay host.
> 
> Most often the problem is that the receiving end is rejecting the mail
> from a retail dynamic ip space.

Right, starting with the whole AOL fiasco a while back.  Nonetheless,
Comcast does selectively block SMTP out, which is even worse.  I don't
see any reason not to use the smart host, which solves both problems.

-David