Graymail refers to solicited bulk email messages that do not fit the definition of spam email messages. Trend Micro Email Security detects marketing messages and newsletters, social network notifications, forum notifications, and bulk email messages as graymail messages.
The Graymail Detection Setting screen appears.
Marketing message and newsletter
Social network notification
Bulk email message
The rule will not apply to graymail messages from IP addresses in this exception list. The list is specific just to the rule being edited.