[CentOS] [CORRECTED] Postfix SMTP authentication on remote relay serve

Fri Jul 30 13:55:13 UTC 2010
Ned Slider <ned at unixmail.co.uk>

On 30/07/10 13:22, Rudi Ahlers wrote:
> Sorry about the previous post, I see the subject had a typo. So here's
> the correct one :)
> Does anyone know how to configure Postfix to use SMTP authentication
> on a relay host?
> i.e. I have a Linux server, running PostFix on an ADSL line with a
> dynamic IP. Thus I can't just send out emails from this server but
> need to relay it via our ISP's SMTP server, which is very unreliable.
> Now I want to relay the email via another SMTP, running cPanel server
> where a user account with the same domain has already been setup, but
> I got no idea how to get it to work on SMTP authenticiaion.
> Any suggestions?

Try reading:


and references therein.

Hope that helps.