Date: Sat, 22 Sep 2001 13:15:07 -0400 From: Mike Tancsa <mike@sentex.net> To: Gregory Neil Shapiro <gshapiro@freebsd.org> Cc: stable@freebsd.org Subject: Re: something strange with sendmail 8.11.6 on FreeBSD Message-ID: <5.1.0.14.0.20010922131438.060e9930@192.168.0.12> In-Reply-To: <15276.49631.32382.941@horsey.gshapiro.net> References: <5.1.0.14.0.20010922082451.05af6d70@192.168.0.12> <5.1.0.14.0.20010922082451.05af6d70@192.168.0.12>
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Actaully I should have said I get the same problem with that defined in
/etc/make.conf
---Mike
At 09:52 AM 9/22/2001 -0700, Gregory Neil Shapiro wrote:
>mike> OK, here is a strange one. Using the stock sendmail in FreeBSD
>mike> STABLE, I am seeing strange timeouts to some hosts. e.g. mail to
>mike> ica.net via icamail.ica.net.
>
> > dig aaaa icamail.ica.net
>
>; <<>> DiG 8.3 <<>> aaaa icamail.ica.net
>;; res options: init recurs defnam dnsrch
>;; got answer:
>;; ->>HEADER<<- opcode: QUERY, status: SERVFAIL, id: 4
> ^^^^^^^^
>;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 0
>;; QUERY SECTION:
>;; icamail.ica.net, type = AAAA, class = IN
>
>
> >From sendmail/README:
>
>When attempting to canonify a hostname, some broken name servers will
>return SERVFAIL (a temporary failure) on T_AAAA (IPv6) lookups. If you
>want to excuse this behavior, compile sendmail with
>-D_FFR_WORKAROUND_BROKEN_NAMESERVERS and add WorkAroundBrokenAAAA to your
>ResolverOptions setting. However, instead, we recommend catching the
>problem and reporting it to the name server administrator so we can rid the
>world of broken name servers.
--------------------------------------------------------------------
Mike Tancsa, tel +1 519 651 3400
Sentex Communications, mike@sentex.net
Providing Internet since 1994 www.sentex.net
Cambridge, Ontario Canada www.sentex.net/mike
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