Where is located the users horde e-mails and address books?

I just restored my server and it's the last thing I have left to do.

Thanks!

I may be wrong but I believe it is stored in a mysql, maybe portsql, database.

There is a horde database but it doesn't seem to be containing much, not the e-mails at least.

Ok found where the mailboxes are: /var/qmail/mailnames/

Now I need to find where the address books, copying the old horde mysql database seems to break something. ANyone know where I should look?