1)   UniSent 3.01.0004
Outlook 2000/2002/2003 COM add-in for Exchange Server users who need to send mail from a second mailbox. The add-in ensures that messages sent with the second mailbox's From address stay in the Sent Items of the second mailbox.

 2)   Express Plus 2.1.2.0
Business email client can send personalized messages using mail merging, offers Bayesian SPAM and message filtering, shared mailboxes on a network, multiple address support and can read messages live on your server without downloading.