[CS-FSLUG] using postfix or sendmail to send mail

Ed Hurst ehurst at soulkiln.org
Fri Mar 13 11:16:23 CDT 2009

On Fri, 13 Mar 2009 05:02:59 -0600, David McGlone <david at dmcentral.net>  

> connect to aln-mailrelay.att.net[]:25: Connection timed out

If AT&T is your ISP, it will block all traffic on port 25.

You cannot relay through AT&T; that's their policy. You can relay through  
your own domain/server, but it has to be some other port. If you are using  
Postfix, you can change it by editing main.cf (wherever that is in your  
system). The standard format is [domain]:[port]. Default for [port] is 25,  
but you need some other number. For my own, Tim set up for me to use port  
26, so I would theoretically have 'soulkiln.org:26'.

Ed Hurst
Associate Editor, Open for Business: http://ofb.biz/
Applied Bible - http://ed.asisaid.com/index.html
Kiln of the Soul - http://soulkiln.blogspot.com/

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