The announce list is for announcing mod_perl and related products releases.
The mod_perl users mailing list is available for mod_perl users and developers to share ideas, solve problems and discuss things related to mod_perl and the Apache::* modules.
The development mailing list is for discussions about the development of the core mod_perl.
A mailing list for discussing mod_perl documentation
The embperl mailing list is available for Embperl http://perl.apache.org/embperl/ users and developers to share ideas, ask question and solve problems.
A mailing list for mod_perl advocacy issues, discussions about the site, etc.
A mailing list where all the mod_perl documentation modification commits are sent
The mod_perl-cvs list is the list where you can watch mod_perl getting patched. No real discussions happen on this list, but if you want to know about the latest changes in the mod_perl core before the rest of the people, this is a list to be on. Everytime something gets committed to the mod_perl CVS repository a mail is sent here with the diff.