MailThreatZero: continuity, archive and outbound protection
For administrators: what MailThreatZero does with mail while a customer's server is down (five-day queue, readable queue, recipient links and what continuity is not), how long messages and records are kept, the archive add-on with legal hold, eDiscovery cases, write-once retention and journaling, authenticated submission on port 587 with outbound DLP, and how transport encryption is recorded and enforced per destination.
- Level
- Intermediate
- Length
- About 50 minutes
- Contents
- 3 lessons · 1 video · final exam
- Status
- Published · updated 2 Oct 2026
- MailThreatZero
Skills you'll practise
- Explain what happens to inbound mail while a destination is unreachable and use the queue view to manage it
- Issue a recipient link correctly and explain its limits
- State the standard retention periods and choose between them, the archive add-on, legal hold and eDiscovery cases
- Set up internal-mail archiving with a journal rule
- Describe how outbound DLP detects, masks and holds regulated data, and when to require TLS for a destination
Course outline
- 1.MailThreatZero: continuity, archive and outbound protectionVideo · 2 min
- 2.When the destination is downLesson · 16 min
- 3.Retention, archive, holds and casesLesson · 17 min
- 4.Outbound: submission, DLP and encryptionLesson · 17 min
- 5.MailThreatZero: continuity, archive and outbound protection: knowledge checkKnowledge check · 16 questions
- 6.Final exam8 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.
- MailThreatZero: Email continuity (queued mail, recipient links, what it is not)
- MailThreatZero: Features
- MailThreatZero: Feature status (generally available, beta testing, requires setup, not available)
- MailThreatZero: Security and data handling (retention, transport, access, logging)
- MailThreatZero: Technical architecture (mail flow, pipeline, decision model, data handling, integrations)
- MailThreatZero: How it works (mail path, stages, decision, onboarding, Monitor Mode)
- MailThreatZero: What a customer receives (onboarding week, alerts, console actions)
- MailThreatZero: home page (stages, explainable verdict example, console walkthrough transcript)
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.