Hi, If you want to send mail via another server, Pls edit /etc/postfix/main.cfin following way. relayhost = an.ip.add.ress of isp mail server then , restart postfix as follows service postfix restart On Fri, Jul 30, 2010 at 5:52 PM, Rudi Ahlers <Rudi at softdux.com> 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? > > -- > Kind Regards > Rudi Ahlers > SoftDux > > Website: http://www.SoftDux.com > Technical Blog: http://Blog.SoftDux.com > Office: 087 805 9573 > Cell: 082 554 7532 > _______________________________________________ > CentOS mailing list > CentOS at centos.org > http://lists.centos.org/mailman/listinfo/centos > -- Thank you Indunil Jayasooriya -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.centos.org/pipermail/centos/attachments/20100730/0971b973/attachment-0005.html>