Ability Mail Server is an advanced, secure and high performing mail server. Featuring SMTP, POP3, IMAP4, WebMail, Remote Admin, LDAP, SSL, SPAM Protection, Antivirus Protection, Content Filtering, ODBC and much more.

MDaemon, Windows-based email server software, contains full mail server functionality and control with a strong emphasis on security to protect your email communication needs. Security features include Greylisting, DKIM, DomainKeys, SPF, Sender ID.

Winmail Server is an enterprise class mail server software system offering a robust feature set, including extensive security measures. Winmail Server supports SMTP, POP3, IMAP, Webmail, LDAP, multiple domains, SMTP authentication, spam protection

Multiple awards winner mail server with ultimate features and stability. Provides you with secured Mail services, Web-Mail, Anti-Spam, Anti-Virus, Instant Messaging, GroupWare, FTP, ODBC and load balancing, monitoring and report facilities.

Ocean Mail Server is a robust and intuitive mail server. A full web remote administration interface is available. Strong mail filtering can be achieved using the built in anti-spam, antivirus and content filtering facilities.

CARTHAGO Groupware 2005 is a application server for MS Windows to manage email, contacts, groups, appointments and tasks using a standard web browser. Through a webserver, you have access to your personal data from everywhere in the world.

WinWebMail Server - Web Mail Server for Windows NT,2000,XP,2003. Supporting WebMail,S-MIME(RSA,DSS),SMTP,SSL-SMTP,POP3,SSL-POP3,IMAP4,SSL-IMAP4,TLS-SSL,AntiSpam,AntiVirus,BBS,CA Server

Zoho Virtual Office is a web-based, groupware, collaboration software. It provides a virtual platform using which individuals and groups can communicate, collaborate, organize and share information seamlessly.

DeepCoder is a program to encrypt, decrypt and/or digitally sign e-mails and files using secret keys (passwords) or public keys. It can be used with any e-mail program or wordprocessor program. No plug-ins are required. Very easy to use!

PEN is an easy to use, easy to setup Email Notifier that sits in your SysTray and pops up a small window and/or play a sound when new mail arrives. It supports POP3 (SSL) as well as AOL, Excite, Gmail, Hotmail, Netscape, Lycos, Mail.com, MSN &Yahoo.

VisualOffice is a web-based e-mail and collaboration suite for Windows and Unix servers that includes WebMail, Calendar, Tasks, Journal, Notes, Bookmarks, File Storage and Instant Messaging.

FREE mail checker for FREE mail system - MAPInotify: Free HotMail Edition! is an advanced skinnable 32-bit HotMail-checker utility.