Email quarantine is an isolated area where messages considered suspicious or high risk can be held instead of being delivered directly to the user’s inbox.
Why are messages not simply deleted?
Security systems cannot make every decision with absolute certainty. A legitimate message may occasionally be classified incorrectly. Quarantine keeps the message away from the user while allowing later review.
What kinds of messages may be quarantined?
- Messages with a high spam score
- Email containing suspicious links
- Messages with detected malicious attachments
- Email with serious authentication concerns
How long should quarantine retain messages?
Retention depends on organizational policy and operational needs. Keeping messages indefinitely is generally unnecessary.
Can users release messages?
Some environments allow users or administrators to review and release quarantined messages. Messages containing confirmed malware should be treated differently from ordinary spam.
Quarantine visibility in MX1Mail
MX1Mail Security Center is designed to provide customers with understandable visibility into quarantine and email-security activity for their domains.