Basic Spam FilteringDocument ID: 2526HQ
Spam is a daily problem that is not just annoying, but is starting to effect everyday productivity for many people. WorldMail 3 helps to control SPAM by using WorldMail 3's Sieve Filtering technology and the new Anti-Spam engine by Active State.
WorldMail has integrated Active State's acclaimed anti-spam scanning engine into the new WorldMail 3 server. WorldMail 3 uses a multi solution approach to spam filtering; combining heuristics, profiles, keywords, white and black lists to offer very sensitive and accurate spam filtering. This approach offers the advantage of analyzing email and identifying spam during processing, before it is delivered to the user's inbox.
As the Active State anti-spam scanning engine analyzes messages, it calculates a spam score for each message based on techniques such as pattern matching, spam definitions, and heuristic analysis. Regular updates to the scanning engine heuristics ensure continued effectiveness against the changing tactics of spammers. The spam scores for each message can be used to determine how the message is handled by the system.
Spam Filter Rules for managing Spam.
In general, these rules should help curb the amount of SPAM targeted at your user base. The LOCAL mailbox filter can be entered via the WorldMail 3 console or the Eudora Web Client filters options, so a WorldMail 3 user can white list or reject at will.
Sometimes a message is tagged as a SPAM message for various reasons, even though the message itself is not a SPAM message per say. I can be a mailing list message or an automatically generated message from a service such as Ebay.
The SPAM engine takes into account if the message has the following typical SPAM criteria:
These results vary from message to message, but as you can see the method of determining a SPAM can sometimes cause a legitimate message to be counted as SPAM.
NOTE: In order to use header tagging, you need to have SIEVE filtering enabled for all inbound messages.
SERVER Receive filter
SERVER Mailbox delivery filter
LOCAL DOMAIN filter
LOCAL Mailbox filter
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