- Outlook (2003 or higher)
- Outlook 2003 – Safe Senders List
- Outlook Express_(version 6 or higher)
- Entourage
- MacMail
- Yahoo!
- Gmail
- Hotmail
- MSN
- AOL version 9.0 or higher
- AOL 8.0
- Norton AntiSpam
- McAfee Spamkiller



