[ale] AT&T blocking 25

Ned Williams nedj10 at gmail.com
Wed Apr 16 13:40:08 EDT 2008


most people get around the 25 block by using smtp-auth on 587


Ned


On Wed, Apr 16, 2008 at 1:16 PM, Christopher Fowler <
cfowler at outpostsentinel.com> wrote:

> We are back up in our office on AT&T and they are blocking 25.  I
> thought maybe specifying their server as a smart relay would work but it
> does not.
>
> I have a sendmail server in our datacenter that requires authentication.
> I would like it to be my smart relay for our office.
>
> I've added an iptables rule on that server to route port 26 -> 25.  From
> evolution I can send mail and I'm authenticating fine.  I need to
> program one of our servers to use that machine as a smart relay.  Would
> it be required to auth too?
>
>
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