Allowed: Emails that were allowed to pass through the spam filter.

Tagged: Emails that have a slight possibility of being spam.

Blocked: Emails that were blocked due to their likely hood of being spam or a matching keyword.

Viruses: Emails that were blocked due to being virus infected.

Bad Recipient: Emails that were blocked because they were sent to an invalid recipient.

Rate Control: Emails that were blocked due to the sending server attempting to send more than 50 connections in one 30 minute period.

Quarantined: Emails that are likely spam, but aren't scored high enough to be blocked outright.