[TriLUG] OT: ATT UVerse internet access

Michael Hrivnak mhrivnak at hrivnak.org
Wed Mar 30 17:44:54 EDT 2011


Another vote for the submission port.  This is why it exists.
Hopefully you can use the SSL flavored one (port 465).  If your
employer really wants you to send email through their MTA, they should
provide you with the submission port.

Michael

On Wed, Mar 30, 2011 at 3:29 PM, bak <bak at picklefactory.org> wrote:
> On 3/30/11 3:10 PM, Chris Merrill wrote:
>> For anyone else considering the service - there is one "gotcha" to look out for.  AT&T
>> blocks outgoing connections to port 25.  I need to send work e-mails through our server,
>> not theirs, so this is a critical issue for me.
>
> I got around this by using the 'submission' port. Modern UNIX MTAs have
> this turned on by default. It is basically just
> SMTP-with-authentication-by-default; no relaying. The well-known port is
> 587. See RFC2476.



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