10 messages in net.sourceforge.lists.courier-usersRe: [courier-users] smart host/relay ...
FromSent OnAttachments
Victor StarSep 15, 2006 8:21 pm 
Milan ObuchSep 15, 2006 10:57 pm 
Victor StarSep 16, 2006 10:27 am 
Jeff JansenSep 16, 2006 11:25 am 
Victor StarSep 16, 2006 12:14 pm 
Victor StarSep 16, 2006 1:45 pm 
Sam VarshavchikSep 16, 2006 2:03 pm 
Victor StarSep 16, 2006 2:24 pm 
Sam VarshavchikSep 16, 2006 4:24 pm 
Victor StarSep 16, 2006 4:44 pm 
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Subject:Re: [courier-users] smart host/relay with authorizationActions...
From:Sam Varshavchik (mrs@courier-mta.com)
Date:Sep 16, 2006 4:24:07 pm
List:net.sourceforge.lists.courier-users

Victor Star writes:

Hi Sam,

esmtproutes: ====- 8< -=================================================== : smtp.broadband.rogers.com ====- 8< -===================================================

esmtpauthclient: ====- 8< -=================================================== smtp.broadband.rogers.com user@rogers.com password ====- 8< -=================================================== (user@rogers.com is the login name to be used. it does work with Postfix)

I've also tried adding the following to the esmtpauthclient: smtp2.rog.mail.vip.re2.yahoo.com user@rogers.com password smtp106.rog.mail.re2.yahoo.com user@rogers.com password

but it didn't make any difference

What else could I check here?

smtp-rog.mail.yahoo2.akadns.net user@rogers.com password

Your ISP uses very stupid DNS records.

Wow! You're genius! It works! Thanks so much! Would it be too bold of me to ask for more detailed explanation of what was
going on? Is this because DNS record is different from reverse DNS or some sort of the
kind? I'd really like to understand better how this whole thing works. I was under impression that Courier would search esmtpauthclient for the same
hostname as it took from esmtproutes. Is it trying to resolve it first?

smtp.broadband.rogers.com. 3600 IN CNAME
ssmtp.bloor.is.net.cable.rogers.com. ssmtp.bloor.is.net.cable.rogers.com. 86400 IN CNAME smtp-rog.mail.yahoo.com. smtp-rog.mail.yahoo.com. 300 IN CNAME smtp-rog.mail.yahoo2.akadns.net.

"smtp.broadband.rogers.com" is an alias for "ssmtp.bloor.is.net.cable.rogers", which is an alias for "smtp-rog.mail.yahoo.com".

Courier uses the mail server's real DNS name to look up esmtpauthclient.