This project is abandoned and its default file will likely not work with the most recent version of World of Warcraft. Whether this project is out of date or its author has marked it as abandoned, this project is no longer maintained.
Auto Accept's Invites, based on include/exclude list. Also includes support for friendslist and guild roster.
http://www.wowinterface.com/downloads/info5417-AutoAcceptInvite.html#comments