On Tue, Aug 17, 2010 at 11:26:11AM -0700, JD wrote:
> On 08/17/2010 11:12 AM, fred smith wrote:
> > On Tue, Aug 17, 2010 at 10:09:55AM -0700, JD wrote:
> >> On 08/17/2010 09:36 AM, Tim wrote:
> >>> On Mon, 2010-08-16 at 15:24 -0400, Gregory Woodbury wrote:
> >>>> Get a dyndns.com name for your router public ip address and set up at
> >>>> dyndns to get mail delivered to that name.
> >>> Of course, if your IP changes, then mail is going to get screwed up
> >>> during the time it takes for next delivery attempt to go to your new IP
> >>> address, instead of the old one.
> >>>
> >>> Dyndns, and other such things, are useful for giving yourself a hostname
> >>> that you can control, to a static IP. But aren't going to be much good
> >>> if you have a dynamic IP. Private webserving's easy enough with a
> >>> varying IP, mail serving's another matter.
> >>>
> >>>
> >> My router's public IP address is static. So that is not a problem.
> >> But per other replies on this list, it sounds like
> >> a complicated puzzle to solve.
> >> I have a dyndns name. and it maps onto my router's static IP
> >> address. But I think at&t is blocking port 25.
> >> I will have to talk to them and see if they will open it up.
> >> I really need a tutorial on how I can accomplish this when
> >> my sendmail machine is on a LAN.
> > some years ago, one of those dynamic dns providers (it might have been
> > dyndns--I can't really remember with any certainty) offered a non-free
> > service where they would reroute smtp traffic for your domain to some
> > port other than 25, so you could put your sendmail (or whatever) on some
> > non-standard port, the whole point being to foil the gestapo-like rules
> > of some ISPs
> Well, that would require that sendmail would have to listen
> on that alternate port. How is that accomplished?
In my case, I'd port-forward (on my dd-wrt router) that alternate port
to port 25 on the system actually hosting sendmail. I imagine most of
you would have a router/firewall of some sort between your internal
servers and the wild-n-wooly internet.
but if not, there's bound to be a sendmail.mc rule tochange ports.
i've just not looked it up.
--
---- Fred Smith -- fredex@xxxxxxxxxxxxxxxxxxxxxx -----------------------------
The Lord detests the way of the wicked
but he loves those who pursue righteousness.
----------------------------- Proverbs 15:9 (niv) -----------------------------
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