Re: [courier-users] SMTP Authentication Problem - Aldisa Admin - net.sourceforge.lists.courier-users

8 messages in net.sourceforge.lists.courier-usersRe: [courier-users] SMTP Authenticati...

From	Sent On	Attachments
Aldisa Admin	Dec 22, 2006 3:05 pm
Gordon Messmer	Dec 22, 2006 3:24 pm
Sam Varshavchik	Dec 22, 2006 6:50 pm
Aldisa Admin	Dec 22, 2006 8:15 pm
Alessandro Vesely	Dec 23, 2006 3:53 am
Sam Varshavchik	Dec 23, 2006 5:10 am
Aldisa Admin	Dec 28, 2006 1:45 pm
Sam Varshavchik	Dec 28, 2006 3:16 pm

Subject:	Re: [courier-users] SMTP Authentication Problem
From:	Aldisa Admin (adm...@aldisa.ca)
Date:	Dec 28, 2006 1:45:41 pm
List:	net.sourceforge.lists.courier-users

It seems the delay in submitting message is due to reverse lookup of my intranet
ip address which is not resolvable. I was able to eliminate the delay by
setting TCPDOPTS to -nodnslookup and -noidentlookup in esmtpd. However, I don't
want to disable it globally and would prefer to set these options just for my
local subnet and specific ip addresses. It is not clear from the documentation
whether I can do this selectively in the smtpaccess file. If so, would the
syntax be:

my.sub.net<tab>-nodnslookup -noidentlookup

and makesmtpaccess??

Thanks in advance for your clarification.

Abid

Sam Varshavchik wrote:

Aldisa Admin writes:

Thank you for your advice gentlemen.

I removed the CRAM authentication method from esmtpd. This has eliminated the authentication error from the log file.

However, there is still a substantial delay in submitting messages to the server from Thunderbird. For example, it takes less than one second to submit a message to Gmail remote SMTP. Gmail uses port 587 for remote message submission with authentication. I have tried to submit to submit to Courier on 587 and 25, and am experiencing a delay of anywhere from 5 to 10 seconds for the server to accept the message.

Check forward/reverse DNS resolution.

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