MDaemon FREE mail server software is a free 5-user license Windows-based mail server Available in multiple languages and supports SMTP and POP3 protocols.
License: Freeware
OS Support: WinXP, Win2000, Win Vista

SMTP, POP3 Windows mail server Exchange alternative, Outlook integration.
License: Shareware
OS Support: WinXP, Win2000, Win Vista

Secure messaging solution with web collaboration containing SMTP/IMAP/POP3/LDAP services along with integrated anti-virus and advanced anti-spam protection Native Outlook support provides synchronization of mail, contacts, tasks, and calendar items.
License: Shareware
OS Support: WinXP, Win2003, Win2000, Win Vista

Native POP3 Connector offers a standard solution for the problem with receiving mail through the POP3 protocol for Microsoft Exchange Server 2000/2003 and Small Business Server 2000/2003 NPC is a standard solution for MS Exchange Server: Connector.
License: Shareware
OS Support: WinXP

Downloading mail from POP3 servers and its delivery to recipients located on Microsoft Exchange Server 2007/2010 Unlimited number of mailboxes, SSL support, single/catch-all mailboxes, frequency of mailbox processing from 1 second, MMC integration.
License: Shareware
OS Support: Win2003

Visual Recovery for Exchange Server allows to browse and selectively export items from corrupted Exchange Server email databases (edb, .
License: Demo
OS Support: WinXP, Win Vista

Recovery for Exchange Server is a data recovery program for Microsoft Exchange Server database files (EDB/.
License: Demo
OS Support: WinXP, Win2003, Win2000, Win Vista

Synchronize objects and Free/Busy data between multiple forests - Share information between Exchange organizations NETsec's GALsync allows you to share Exchange mail-enabled objects of your Active Directory forest with other forests.
License: Demo
OS Support: WinXP, Win2003, Win2000, Win Vista

According to company policies ArchiveUsers can log, copy, compress and store user information (Active Directory), home directory and/or Exchange mailbox to another disk and delete the original.
License: Demo
OS Support: WinXP, Win2003, Win2000, Win Vista

Fast and secure SMTP/POP3 server Compatible with any mail client.
License: Shareware
OS Support: WinXP, WinNT 4.x, WinNT 3.x, WinME, Win2003, Win2000, Win Vista, Win98