Default X-Headers for Premium Filter Classifications

The default values for Premium Filter Classifications when the Premium Filter is enabled:

• Confirmed. Inserts X-Header [X-IMAIL-SPAM-CONFIRMED] with subject prefixed with [SPAM].
• Bulk. Inserts X-Header [X-IMAIL-SPAM-BULK] with subject prefixed with [BULK].
• Suspected. By default no action taken.
• Unknown. By default no action taken.

False Positive Example

Many blacklists used for connection filtering return hits for domains such as yahoo.com, hotmail.com, and msn.com, among others. If you use these blacklists, non-spam e-mail from these domains may be identified as spam and processed according to the specified spam action.