Software602 Groupware Server is a secure SMTP/IMAP/POP3/LDAP/XMPP messaging solution with SQL based archive and web collaboration client along with integrated BitDefender anti-virus and real-time Commtouch anti-spam protection. Native Outlook support provides synchronization of mail, contacts, tasks, and calendar items. Create, share, and publish documents online. Access the document storage from a web browser, FTP/FTPS client, or WebDAV folder.

Synchronize objects 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. Sharing objects helps users in one or both messaging organizations to access information about users and groups of the other Active Directory. Access to free/busy data between untrusted forests is also provided.

An internal mail server to store all your company's messages. Powerful and integrated with shared folders and personal folders for internal use only. Authomatic download of mail from the Internet. Other Gate-and-Way's modules: Backup, Fax, Internet, Voice, RAS. All them integrated and centrally managed.

MDaemon FREE mail server software is a 5-user license version of the award-winning MDaemon Email Server for Windows -- perfect for home and SOHO users wanting a reliable mail server that will grow with their business. It is available in multiple languages and supports SMTP and POP3 protocols. It can be installed in under 10 minutes, and offers remote administration and a powerful webmail client.

Spam Sleuth Enterprise resides on your e-mail server and screens out spam before it reaches your server. Includes a Web and/or PC client application that allows users to configure spam settings and view all spam messages received. Email Stamps: Requires senders to pay a fee via PayPal before message will arrive in your inbox. Turing Test: Requires senders to enter a validation code before email will arrive in your inbox.

AA Mail Server (www.aamailsoft.com) is easy to use database based mail server software for Windows with full features of email services. It also includes advanced features of multi-language UTF8 Webmail server, cost-saving mail mapping mode, sharing one mailbox to customers, effective anti-spam protection and powerful employee email monitoring etc. You can use AA Mail Server to build your own mail server ready within several minutes.

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, redirections, auto-responses, multiple folders, address books and much more. Combines maximum functionality with ease of use.

Advanced SMTP Server is a system-tray local SMTP server program for Windows that lets you send email messages directly from your computer to recipient mailboxes. Along with a mass mailer the program can be used as a relay server for sending newsletters, distributing messages to different mailing lists, sending notifications to your customers, as well as for sending personalized messages.

AXIGEN Gateway is a secure mail relay server, available for Linux, FreeBSD, OpenBSD, NetBSD and Solaris. AXIGEN uses firewall-like connection rules and is capable of integrating with most virus / anti-spam applications. By separating security functions from real mail server usage, you improve both server effectiveness and communication security. During the evaluation period and first year of use, users have free tech support.

AXIGEN Office Discount is an affordable, reliable and secure Windows/Linux/BSD/Solaris mail server especially designed for home users and small companies. It offers (E)SMTP, POP3, IMAP4, WebMail services, Personal Organizer, Groupware and Collaboration features, Mobile WebMail, multiple AntiVirus/AntiSpam support, Commtouch Real Time AntiSpam Protection and centralized WEB/CLI administration, for 15 users and domains for one year.