What is Gray Mail?

What is Gray Mail?
Gray Mail are email wherein one of the filters has detected the email as spam. Where there is a mismatch in the verdict between the filters, the email can be called a gray mail. Gray Mail quarantine feature is a functionality that can be easily setup within the Quarantine tab in the SMX Portal.

What is the difference between emails quarantined due to Gray Mail and emails quarantined due to SmartRules?
Emails quarantined due to Gray Mail are classified as spam by one of the filters. Emails quarantined due to SmartRules are quarantined due to a SmartRule set up on the account.