[Fwd: Re: mail trouble caused by DNS?]

[Roger Ward]

bounced to sender, trying list

---------------------------- Original Message ----------------------------
Subject: Re: mail trouble caused by DNS?
From:    "Roger Ward" <roger.ward at natnet.com>
Date:    Mon, October 6, 2003 15:39
To:      johnny at n0sq.net
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check and make sure that this is not actually the case...

are you using any DNS blacklists?  I got errors similar to this when
osirusoft when offline....

-Roger

> This might be slightly off-topic, but, I've been trying to determine why
I'm
> not receiving e-mail from certain list servers. I came across a log
entry that stated "lost input channel from....". I'm wondering if that
is causing
> the problem. I searched for info using Google and an article mentioned that
> a dnsbl (DNS blacklist) may be causing too long of a delay that causes
the sending server to time out. I'm not running a blacklist at this
time. Is there something else concerning DNS that could be causing my
problem?
>
> ML 9.1, Sendmail 8.12.9, Bind 9.2.2
>
>