Sendmail: How does one blacklist annoying spammers?

[JD]

On 06/25/2010 04:20 PM, Daniel B. Thurman was caught red-handed while writing::

> Yeah, I did that and it does not contain that file.  For
> fun, I tried yum install rbl.m4, no dice.  I have 8.14.x
> so that's fairly "new" for F9...
>
> Guess I will have to scan the Internet for that file...
>
On page http://www.sfr-fresh.com/unix/misc/sendmail.8.14.4.tar.gz:a/sendmail-8.14.4/RELEASE_NOTES
it says it is a deleted feature. To wit:
  2786	Deleted Files:
  2787		cf/feature/rbl.m4