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

[Dave Helton]

http://spamcop.net/fom-serve/cache/294.html

may have bearing on this.

--Dave Helton

On Tue, 2003-07-01 at 16:11, Ole Holm Nielsen wrote:
> John <john at jjgb.com> wrote
> 
> > 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...
>