Safe Express Free

This business email client also offers complete contact management! Perform e-mail-merges and view contact email histories. It can also be installed on and synchronized with a USB flash drive for working away from your normal PC. POP3 & IMAP support.

This program includes a few interesting and useful technologies i.e. - A Simple System Tray IMAP Mail Client (not available so far) - System Tray Implementation in Visual C#.Net

IncrediMail Xe is a free email program that manages all your email messages, communications, contact details, and email transactions. IncrediMail is all about having fun with your email.

Allows to send individual mails automatically to a large number of recipients. Plain text and HTML mails can be sent using multiple connections simultaneously. The easy to use user interface assists you in the necessary steps sending serial mails.

Ultra fast subscription-based mass mailer used by Internet professionals and online store owners, to notify their customer base about various events and promote their new products and services. It lets you import emails into the internal database.