Date: Wed, 19 Jul 2006 08:16:14 -0600 From: Dan Busarow <dan@dpcsys.com> To: Mikhail Goriachev <mikhailg@webanoide.org> Cc: freebsd-questions@freebsd.org Subject: Re: :::. Sendmail & WorkAroundBrokenAAAA. Message-ID: <22BA0809-1731-11DB-8406-0003934CC29E@dpcsys.com> In-Reply-To: <44BDDAC7.10402@webanoide.org>
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On Wednesday, July 19, 2006, at 01:09 AM, Mikhail Goriachev wrote: > Doug Hardie wrote: >> >> That option has worked quite well for me. However, there may be >> something unusual with the DNS for that domain. You will probably >> need to provide some specifics on the domain so we can see what DNS >> is returning. >> > > > Thanks for looking into this. I just realised that the domain in > question got fixed overnight after notifying the sysadmin. I guess this > is a good thing, yet I'm left puzzled with the difference between > confBIND_OPTS option and compiled INET6 support. WorkAroundBrokenAAAA does not disable IPv6 lookups, it simply changes the behaviour when receiving SERVFAIL during an IPv6 lookup. From the sendmail ops manual Use “WorkAroundBrokenAAAA” when faced with a broken nameserver that returns SERVFAIL (a temporary failure) on T_AAAA (IPv6) lookups during hostname canonification. Danhelp
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