POPcon
POPcon connects MS Exchange Server(tm) to POP3 and IMAP mailboxes. It acts as an e-mail collector that retrieves messages from POP3 mailboxes and delivers them to your Microsoft Exchange Server mailboxes according to the intended user found in the mails. ... POPcon offers the following features: * Poll private POP3 and IMAP mailboxes and forward mail to a single MS Exchange(TM) mailbox or distribute mail from multi-drop POP3 mailboxes to multiple MS Exchange(TM) users according to address the mail was sent to.
http://www.christensen-software.com/popcon/ipopcon.exe - 6Mb - Download - Screenshot

Best Mail Server
Best Mail Server is an ultra fast mail server program. You can send mail from any mail client that is complaint with SMTP protocol using this server. You can also configure it to be your local mail server. It will accept mail on behalf of your users and store it, until your users will retrieve... A lot of security features and options that allow you to protect the server from DDoS attacks as well as safely block SPAM and spammers are built into the server. ... SMTP and POP3 servers work as NT services therefore they will keep working in the logoff mode.
http://www.softheap.com/download/bestmailsrv.zip - 3Mb - Download - Screenshot

POPcon PRO
POPcon PRO connects MS Exchange Server(tm) to POP3 and IMAP mailboxes. It acts as an e-mail collector that retrieves messages from POP3 mailboxes and delivers them to your Microsoft Exchange Server mailboxes according to the intended user found in the mails. ... POPcon offers the following features: * Poll private POP3 and IMAP mailboxes and forward mail to a single MS Exchange(TM) mailbox or distribute mail from multi-drop POP3 mailboxes to multiple MS Exchange(TM) users according to address the mail was sent to.
http://www.christensen-software.com/popconpro/ipopcon.exe - 5Mb - Download - Screenshot

Personal Mail Server Pro
Personal Mail Server Pro is a SMTP/POP3 mail server program you can use as a personal local SMTP server or as a stand-alone fully featured mail server. You can use the product along with any mail clients that are complaint with the standard SMTP/POP3 protocols. ... Personal Mail Server Pro offers a range of security features and options that allow you to protect the server from DDoS attacks, stop SPAM and spammers. ... This server does everything from accepting email messages on behalf of your users, storing them in a queue to sending and receiving them over the Internet.
http://www.pc-safety.com/download/pmsp.zip - 3Mb - Download - Screenshot

Ability Mail Server
Ability Mail Server is an advanced, secure and high performing mail server. Featuring SMTP, POP3, IMAP4, WebMail, Remote Admin, LDAP, SSL, SPAM Protection with Bayesian and RBL filters, Antivirus Protection, Content Filtering, POP3 retrievals, ODBC, mailing lists, static routing, aliases,... Combines maximum functionality with ease of use.
http://download.code-crafters.com/ams.exe - 6Mb - Download - Screenshot

Gattaca Server
Gattaca Server - solution for the organization internal or external e-post service for the central or regional office. Gattaca Server full featured, 100 % compatible to existing standards POP3 and SMTP mail server. You can use it not only as an internal server, but also as a server for reception... Gattaca Mail Server working as service under control of operational system Microsoft Windows NT/2000/XP/2003. ... During work Gattaca Server automatically update white list, by additing e-mail addresses which is sending e-mails.
http://www.gattaca-server.com/geeos/bin/geeos114.zip - 3Mb - Download - Screenshot

1st Mail Server
1st Mail Server is a fast and secure Professional SMTP/POP3 server program. You can use this program in many environments ranging from a corporate mail server to a standalone SMTP relay for your laptop. Any standard mail client can be used to send email using this server. ... You can have multiple SMTP gateways in your server if you travel a lot with your laptop. ... SMTP and POP3 servers work as NT services therefore they will keep working in the logoff mode. ... This way, even if you cannot deliver your email directly to the destination, you will be able to still send it using one of the...
http://www.softstack.com/download/firstmailsrv.zip - 3Mb - Download - Screenshot

Mail Inspector
Mail Inspector can check for new emails and notify you. Delete mails directly on the server without downloading them. Includes some powerfull anti-spam filter. You also can send out quick-mails. Supported standards: POP3, IMAP4, SMTP, SSL, APOP. Mail Inspector is fully multilingual.
http://www.idev.ch/index.php?optio...emid=87&func=download&filecatid=1 - 3Mb - Download - Screenshot

WorkgroupMail Mail Server
WorkgroupMail is a full featured mail server, which can provide any size organization with secure and dependable messaging. WorkgroupMail includes spam filtering, content filtering, server-based virus protection mailing list and shared address book functions. ... It will support POP3 or IMAP mail clients, such as Outlook, Outlook Express and Eudora. ... It can function with ISPs or can be used as a standalone mail server if you host your own domain. ... This server can be administered either through a standard Windows interface or through a web browser.
http://www.workgroupmail.com/wm.exe - 5b - Download - Screenshot

Mail Server Pro
Mail Server Pro is a bullet-proof SMTP POP3 server software used by corporations and Internet Service Providers as an ultra fast and reliable mail server. It is simple but powerful; it has a lot of security features and options to prevent DDoS attacks and block SPAM. ... Using Mail Server Pro, you will never encounter a sending problem wherever you connect your PC to a network or phone socket. ... The SMTP and POP3 services work as NT services therefore they will keep working in the logoff mode.
http://www.getfreefile.com/download/mlsrvpro.zip - 2Mb - Download - Screenshot