We got one serious, serious problem with your new version.
This option:
Usergroups
Which usergroups do you want to monitor for inactivity?
It doesn't work. I've been manually moving bounced messages to another usergroup, since you don't seem to have a proper bounce management system. But that group, although not checked, was sent email anyway. So suddenly I've got hundreds of bounces.
Ouch.
The only group that I checked is Registered Users, by the way.
You gotta fix that one ASAP, and then handle bounce management somehow, such as automatically moving bounced messages to a different usergroup.
Peace,
Gene
P.S. I'm curious about your paranormal research since I happen to host a nationally syndicated radio show, The Paracast, which covers the subject.