[Mimedefang] Using relay_is_blacklisted() or Sendmail dnsbl feature ?

G. Roderick Singleton gerry at pathtech.org
Tue Jul 1 11:14:01 EDT 2003

On Tue, 2003-07-01 at 10:46, Ole Holm Nielsen wrote:
> We're having a performance problem with Sendmail 8.12.8
> running on a Red Hat Enterprise Linux ES 2.1 server.
> Using Sendmail's DNS-blacklist feature,
>     FEATURE(dnsbl,`bl.spamcop.net', ...
> I'm invariably seeing delays of 30-90 seconds when delivering
> messages, even when I use only a local dnsbl-server with
> sub-second response.  

Sounds as if you employ a defunct RBL. Try another, say easynet.nl.

Gerry Roderick Singleton <gerry at pathtech.org>

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