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How to install and configure GFI MailEssentials on a Windows SBS 2003

Configuring GFI MailEssentials for Anti-Spam

8. Configuring Spam URI Realtime Blocklists (SURBL)

SURBL is a useful filter to block spam email based on the destination of hypertext links as well as the sources of images, information and other objects in a Web Page.

Multi.surbl.org combines multiple lists in a unique list, thus it is faster than using the other four lists simultaneously. However, using multi.surbl.org might have a higher rate of false positives since more blacklists are present. Therefore, test it after enabling Multi.surbl.org.

9. Configuring Header Checking

The Header Checking analyses the individual fields in a Header such as MIME FROM, MIME TO, an images. The Maximum numbers allowed in MIME FROM setup to 3 or 4 may block some good email because some people like to use their zip code as part of email address. You may receive lot complaints about language blocking too if you enable it.

Product Review: GFI MailEssentials
Installing GFI MailEssentials
Configuring GFI MailEssentials for Anti-Spam
How to install GFI WebMonitor on Microsoft ISA