From mboxrd@z Thu Jan  1 00:00:00 1970
Message-ID: <05d3cbf48c666b2db042516e12b9a410@tombob.com>
To: 9fans@cse.psu.edu
Subject: Re: [9fans] strange mail problems
Date: Wed, 26 Jan 2005 11:42:22 +0000
From: Robert Raschke <rrplan9@tombob.com>
In-Reply-To: <8a970bbb6d4a3defe95d514e671379c9@hamnavoe.com>
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Richard wrote:
>> The dns failure is coming from validatesender, which I thought was
>> only executed if verifysenderdomain is on in the stmpd.conf.  But
>> looking at the source of smtpd, it looks as if validatesender always
>> gets executed, regardless of smtpd.conf or the -r option to smtpd.
> 
> validatesender is different from verifysenderdomain: it makes an SMTP
> connection and sends a "RCPT TO:" command to check whether the sender
> email address actually exists.  To turn this off, you have to delete
> or rename the /mail/lib/validatesender script.

OK, that solves the immediate problem, thnak you.

I am seeing very strange dns problems though and I am unsure how to go
about finding what might be wrong with my setup:

cpu% upas/smtp -p /net/tcp!bazar2.conectiva.com.br /dev/null lua-bounces
smtp: dns: dns failure (/net/tcp!bazar2.conectiva.com.br)
cpu% ndb/csquery
> tcp!bazar2.conectiva.com.br!smtp
/net/tcp/clone 200.140.247.68!25
> 
cpu% upas/smtp -p /net/tcp!bazar2.conectiva.com.br /dev/null lua-bounces
cpu% 

[...wait a couple of minutes...]

cpu% upas/smtp -p /net/tcp/clone bazar2.conectiva.com.br /dev/null lua-bounces
smtp: dns: dns failure (/net/tcp/clone)
cpu% 

I seem to keep on losing some information somewhere.
Where would I look to figure this out?

Thanks,
Robby