Most noticeable in 4.4-release, though. The way I found out about this was doing a tcpdump and catching AAAA queries from the server.
Since then I have disabled IPv6 support (for now anyway) at the Kernel on most of my FreeBSD systems. You can do this by copying one of the Kernel files located at /sys/i386/conf/ and commenting out the inet6 portion. Then doing a config, a make depend, make, make install, and a reboot (to initialize the new kernel). The FreeBSD handbook documentation is pretty thorough on this task, and it is fairly easy to do. If you think this might help, go customize your kernel and see if it gets rid of that problem.
Gerardo
Mitch (WebCob) writes:
I'm affraid that's my only idea - I had the same issue, and it was due to
DNS not working with IPv6 due to my nameserver config... Maybe you can fix
the nameserver that way - I don't think nslookup is an IPv6 tool? So it
would use v4 - which obviously works - all I can say is I had the exact same
symptoms first time I set up, so I think your options are recompile, or try
to determine IF DNS is working under IP6 for you.
m/
-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] Behalf Of Dustin
Puryear
Sent: Thursday, April 03, 2003 9:01 AM
To: Mitch (WebCob)
Cc: [EMAIL PROTECTED]
Subject: RE: [courier-users] DNS lookup failed?
Any other possible issues? We are using the following RPM's:
courier-mysql-0.40.0-2.7.3
courier-0.40.0-2.7.3
courier-maildrop-wrapper-0.40.0-2.7.3
courier-smtpauth-0.40.0-2.7.3
courier-webmail-0.40.0-2.7.3
courier-maildrop-0.40.0-2.7.3
courier-pop3d-0.40.0-2.7.3
courier-imapd-0.40.0-2.7.3
courier-mlm-0.40.0-2.7.3
We are using software that installed these particular RPM's. We have heard
of nobody else having problems so I wonder if it's not something else? I am
not against a recompile, but I'd like to see if there are other options.
Any ideas?
At 08:20 PM 4/2/2003 -0800, you wrote:
Did you remove the ip6 code (there is a configure option for this) - causes
issues if memory serves... particularly with DNS lookups I think.
m/
-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] Behalf Of RICHARD
GINZBURG
Sent: Wednesday, April 02, 2003 6:25 PM
To: [EMAIL PROTECTED]
Subject: [courier-users] DNS lookup failed?
Hello all!
Whenever I try to send a mail I get DNS lookup failed in the log.
I can mail to local account but
root:/usr/lib/courier/bin # ./testmxlookup yahoo.com
Soft error.
Nslookup works:
root:/etc # nslookup
Default Server: dns.s.bonet.se
Address: 212.181.54.2
> set type=mx
> yahoo.com
.....
mx1.mail.yahoo.com internet address = 64.156.215.5
mx1.mail.yahoo.com internet address = 64.157.4.82
My system is FreeBSD 5.0 and Courier 0.42
What can it be?
Thanks!
Richard
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Dustin Puryear <[EMAIL PROTECTED]>
Puryear Information Technology
Windows, UNIX, and IT Consulting
http://www.puryear-it.com
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