"LISTSERV site administrators' forum" <[log in to unmask]> 
wrote on 01/10/2005 12:17:51 PM:

> Umm.. Sendmail *9*?? Latest I've seen officially is 8.13.3.Beta0. ;)
> 
> (and if you have something later than that unofficially, you already
> *know* who you should be asking that question.  And here I'm speaking
> as somebody who unofficially knows the answer to that one..;)

Gee, it doesn't seem to be a secret that they are working on a new 
version.  The sendmail.org site has this to say: "The next generation of 
sendmail is called sendmail X (previously it was called sendmail 9)."