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By Spam Blocker
GFI MailEssentials for Exchange/SMTP
By GFI Software
Web site www.gfi.com
GFI MailEssentials for Exchange/SMTP is a server based anti spam, anti-phishing & email management solution for Microsoft Exchange Server & Notes/SMTP servers. Over 98% of spam and phishing mail are caught before they reach the mail server, no need to deploy client software.
Its advanced Spam detection technology is based on the following key features: Bayesian filtering technology (Over 98% capture rate with Bayesian alone!). Downloads updates to spam profile database. Mail header analysis & keyword checking, 3rd party DNS blacklists (DNSBL) checking, Foreign language spam blocking, Automatic whitelist management, Custom blacklists. GFI MailEssentials includes comprehensive anti-phishing capabilities; protects users from phishing emails by detecting and blocking them before they reach the recipient’s mailbox. Emails originating from, and terminating at the network are processed by advanced technologies built in GFI MailEssentials, maximizing spam capture rate whilst minimizing false positives.
Other features of GFI MailEssentials include: Disclaimers, mail monitoring of particular email addresses, centralized mail archiving to database, mail reporting (e.g., top mail users, spam filtering reports etc...), POP3 downloading, auto replies with variables/fields, fake non-delivery reports, seamless integration with Exchange Server 2000/2003 & 5.5 and more!
ORF Enterprise Edition
By Vamsoft Ltd.
Web site www.vamsoft.com
ORF Enterprise Edition is an enterprise-level anti-spam solution that helps you to block spam before it reaches your network. It wedges into the SMTP conversations and monitors all incoming SMTP traffic. For the most effective filtering, ORF uses a combination of anti-spam technologies, such as DNSBL's, SURBL's or Greylisting to identify and blacklist unsolicitied emails.
Custom tests are provided in addition to the above, e.g. regular expression-supported keyword filtering, attachment filtering or Active Directory-based recipient validation. Using the self-learning Automatic Sender Whitelist of ORF, you can eliminate false positives effectively. You can also create your own IP address, sender and recipient email address lists. While the whitelists can be used to exclude hosts, senders or local mailboxes from filtering, the same type of blacklists help you to reject messages from specific hosts or IP ranges, senders (domains) or local mailboxes.
ORF can be used with Windows 2000/2003 built-in IIS SMTP Service and Microsoft Exchange 2000/2003 Servers (which use this service for SMTP communication). ORF was designed with high-performance and robustness in mind, it performs well even under heavy usage. It is being used in networks with a daily average of 2-3 millions incoming email without any performance problems.
Merak Mail Server
By IceWarp Merak Mail Server
Web site www.merakemailserver.co.uk
The Merak Mail Server comes with all the optional modules which can be evaluated after a 5 minute installation. You have the possibility to backup and restore your server configuration including all settings and accounts with a single click. Merak Mail Server is compatible with all servers supporting the Internet standards. Merak Mail Server supports all cutting-edge security features including anti-virus protection, anti-spam engine and open relay protection options. - SMTP / POP3 / IMAP4 / SIP / HTTP / FTP / LDAP / Jabber / Proxy - SNMP - SSL (128-bit encryption for all protocols) - Compatible with Microsoft Windows and various main stream Linux distiributions - Outlook & Outlook Express, Eudora, Bat! and majority of other mail clients compatible.
Found at antispam.whitestranger.com
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