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

John john at jjgb.com
Tue Jul 1 11:45:00 EDT 2003

Spamcop is not defunct, but maybe another one in your dnsbl is.  Do a dig 
or nslookup on each host you use in you dnsbl in sendmail.mc and see which 
one is not resolving.  It definitely sounds like a dns time out issue though...

At 09:13 AM 7/1/2003, you wrote:
>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>
>MIMEDefang mailing list
>MIMEDefang at lists.roaringpenguin.com

John Jaeger - Billings, Montana

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