Sendmail on a LAN

Mikkel mikkel at
Tue Aug 17 17:13:46 UTC 2010

On 08/17/2010 12:09 PM, JD wrote:
> 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.
I don't know if it is the same where you are, but here in Milwaukee
AT&T blocks outgoing connections to port 25 to anything but their
own mail servers. But if you ask, and have a reasonable excuse, they
will open it up for you. I am not sure about incoming port 25
connections, as I have not asked to have one opened up.


  Do not meddle in the affairs of dragons,
for thou art crunchy and taste good with Ketchup!

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