Hi Curtis. To answer your question... "If i give them the server IP address instead of the original mail.domain.org can they grab all of their old email through IMAP?" the answer is yes. We come across this situation all the time and this method works perfectly for us. Thanks.
Linda Pagillo
Mail's Best Friend
Email: linda.pagillo@mailsbestfriend.com
Web: www.mailsbestfriend.com
Authorized SmarterTools Reseller
Authorized Message Sniffer Reseller