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.

This business email client offers complete crm 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.

Command Line POP Client is a free console utility that allows you to receive your e-mails to a local directory. It is suitable for batch jobs or whenever there is a need to download e-mails as files into a folder.

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

Fully-featured SMTP/POP3 mail server program with a range of security features and options to use along with any mail client as a personal local SMTP server or as a stand-alone mail server. It works in the logoff mode; SMTP gateways are supported.