[ale] SMTP and AT&T

[Michael H. Warfield]

On Mon, 2008-04-14 at 09:59 -0400, Chris Fowler wrote:
> I went with AtNex and my partner went with AT&T.  I was going to do both
> with AtNex but Louie had the idea that we should be with different
> providers.  Also, he was lured with promises of a 6 meg connection.
> With SF I never got my promised 3 meg and every dsl test I did never
> made it that high.  I'm skeptical about any numbers about dsl speed.

> I use an outgoing sendmail server for his mail.  I hear AT&T blocks port
> 25.  will a smart relay host in sendmail work with AT&T?

	Probably not, unless it's over IPv6 or it's an AT&T smart host.

	Last I knew, AT&T blocks 25 and 465(smtps?) both inbound and outbound
but only on IPv4 (since they don't even see IPv6).  If you've got and
IPv6 smart host, you can just relay that from your 6to4 address and AT&T
will never even see it.  If you've got control of an IPv4 public host
you can use as a smart host, just enable it's 6to4 address and you're
good to go.

	Some people have reported requesting that port 25 be unblocked with
varying success.

> Chris

	Mike
-- 
Michael H. Warfield (AI4NB) | (770) 985-6132 |  mhw at WittsEnd.com
   /\/\|=mhw=|\/\/          | (678) 463-0932 |  http://www.wittsend.com/mhw/
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