MailThreatZero: running the quarantine
For tenant administrators and technicians who look after a MailThreatZero quarantine: who sees what, reading the dashboard and the quarantine list, threat levels and scores, the four quarantine actions, notifications to recipients, whitelists and blacklists used safely, the Strict, Balanced and Permissive presets, the documented troubleshooting steps, reports, and what automatic maintenance does.
- Level
- Beginner
- Length
- About 45 minutes
- Contents
- 3 lessons · 1 video · final exam
- Status
- Published · updated 2 Oct 2026
- MailThreatZero
Skills you'll practise
- Filter the quarantine and read a held message's threat level, score and reason to decide what to do with it
- Choose between Release, Delete, Report Spam and Whitelist for a held message and explain the consequence of each
- Add whitelist and blacklist entries at the narrowest scope that solves the problem
- Choose a filtering preset and spam threshold, and test a change before relying on it
- Work through the documented troubleshooting steps for missing notifications, failed releases and false positives
Course outline
- 1.MailThreatZero: running the quarantineVideo · 2 min
- 2.Reading the dashboard and the quarantineLesson · 14 min
- 3.Acting on held mailLesson · 16 min
- 4.Presets, thresholds and housekeepingLesson · 15 min
- 5.MailThreatZero: running the quarantine: knowledge checkKnowledge check · 18 questions
- 6.Final exam10 questions · passing it completes the course, so people who already know the material can test out
Sources it draws on
The lessons and questions are written from these references, so learners can go back to the original.
See it with your own jobs and topics
Tell us about your team and we'll walk you through setup, from choosing jobs to your first skills check.