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Date: Sun, 06 Jun 2004 05:31:07 -0400
From: T Kellers <kellers@njit.edu>
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References: <Pine.BSF.4.21.0406052031400.3007-100000@lexus.isprime.com>
cc: Scott Kupferschmidt <sk@isprime.com>
cc: Gerard Seibert <gerard-seibert@rcn.com>
Subject: Re: Changing SendMail Port Number
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On Saturday 05 June 2004 08:32 pm, Scott Kupferschmidt wrote:
> The only problem with listening on port 24 is no one is going to be able
> to send mail to you, as smtp listens on port 25.
>
> Sincerely,
>
> Scott Kupferschmidt
> ISPrime, Inc.
> 866.502.4678 ext. 3
> AIM: Scott ISPrime - ICQ: 174337249
>
> On Sat, 5 Jun 2004, Doug Hardie wrote:
> > On Jun 5, 2004, at 16:49, Gerard Seibert wrote:
> > > This is probably a stupid question, but how do I change the SMTP port
> > > number that SendMail listens in on? I want to change it to something
> > > else, like perhaps 24. My ISP is blocking 25 and I want to get around
> > > that problem.
> >
> > I use the following in the mc file:
> >
> > DAEMON_OPTIONS(`Port=25, Name=MTA')dnl
> > DAEMON_OPTIONS(`Port=26, Name=MTA')dnl
> >
> >
> > It responds to both ports 25 and 26.
> >

http://www.dyndns.org/

Check the MailHop Relay  Product.

For a fee (about $30/year) they provide an service that will handle your MX 
records and forward them to your server on your own selected port.

I use port 24 and it works like a charm.

Tim Kellers
CPE/NJIT