OT: DNS problems

Lewis Bergman lbergman at WTXS.NET
Fri Oct 14 18:40:37 IST 2005

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Venkata Achanta said:
> hello list,
> Looks like i am having problem with resolving certain domains ONLY.Any
> pointers/things to check for would be helpful. This is weired problem,i
> can
> resolv this on other boxes but not on this one.
> Oct 14 10:09:50 asav sendmail[3378]: j9EH9UGR003378: ruleset=check_mail,
> arg1=<geisenreich at barwol.com>, relay=smtp.barwol.com [] (may
> be forged), reject=451 4.1.8 Domain of sender address
> geisenreich at barwol.com does not resolve
> Oct 14 10:09:50 asav sendmail[3378]: j9EH9UGR003378:
> from=<geisenreich at barwol.com>, size=14532, class=0, nrcpts=0, proto=ESMTP,
> daemon=MTA, relay=smtp.barwol.com [] (may be forged)
Since it is a caching name server have you tried flushing the cache with
"rndc flush" or a named restart? Your cache may be poisened.

Lewis Bergman
Texas Communications
4309 Maple ST.
Abilene, TX 79602

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