kai@pac-rim.net 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?) -- *************************************************************************** Joel Baker System Administrator - lightbearer.com lucifer@lightbearer.com http://www.lightbearer.com/~lucifer