From: Joel Baker (no email)
Date: Thu Aug 02 2001 - 14:35:24 EDT
wrote:
>
> If you are receiving larger numbers of reports about failing mail
> transport from your customers these days, here is why.
>
> Apparently, the nameservers for the blackholes.mail-abuse.org and
> dialups.mail-abuse.org zones are overloaded (I get <10% ICMP_echo's
> back, and virtually never any DNS answers), causing a more than
> 60-second connection-established -> 220 Hello banner
> answering delay on typical Unix-based Sendmail (and other SMTP)
> servers with default DNS resolver timeouts.
http://www.mail-abuse.org/subscription.html
Perhaps this is related? (Server blocked off, rather than answering with
a query-denied, perhaps?)
--
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Joel Baker System Administrator - lightbearer.com
http://www.lightbearer.com/~lucifer
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