[Mailman-Users] Problems with undeliverable mail

Graham Dunn gdunn at inscriber.com
Mon Dec 31 19:40:41 CET 2001

On Sun, Dec 30, 2001 at 11:48:21PM -0800, Michelle Brownsworth wrote:
> To: mailman-users at python.org
> From: Michelle Brownsworth <michelle at primelogic.com>
> Subject: Re: [Mailman-Users] Problems with undeliverable mail
> Cc: J C Lawrence <claw at kanga.nu>
> Date: Sun, 30 Dec 2001 23:48:21 -0800
> Okay, okay...  I know when to throw in the towel.  :^)  I'll 
> investigate Postfix, with the hope that it's better than Qmail. 
> After running it on a server for a couple of years, I don't care for 
> Qmail at all.

In your .mc file,

define(`confDELIVERY_MODE', `deferred')

This will stop sendmail from doing DNS queries upon accepting the mail.
It's intended for situations where you want to prevent DNS lookups (dialup,

I hope that does what you want. 


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