MT.1039: Ensure MailTips are enabled for end users
| ID | MT.1039 |
| Severity | Low |
| Suite | Mito |
| Product | Exchange Online |
| Feature | Outlook |
| Security area | Email and collaboration protection |
| Resource type | Tenant |
| User impact of fixing | Low |
| Effort to fix | Low |
| Reads from | Exchange Online |
What this checks and how to fix it
Section titled “What this checks and how to fix it”MailTips SHOULD be enabled for end users
Rationale: MailTips assist end users with identifying strange patterns in emails they send, helping prevent accidental data leakage and improving overall email security awareness.
Remediation action
Section titled “Remediation action”- Connect to Exchange Online:
Connect-ExchangeOnline- Enable MailTips for external recipients:
Set-OrganizationConfig -MailTipsExternalRecipientsTipsEnabled $true- Verify the setting:
(Get-OrganizationConfig).MailTipsExternalRecipientsTipsEnabledThe result should be True.
Related links
Section titled “Related links”Mito check. Author: weyCC81; contributors: bastienperez. Open-source licences.
Open-source licences. CIS Benchmark material © Center for Internet Security, Inc.; CISA SCuBA baselines are public domain (CC0).
© 2026 Virtual Petals. Mito is a Virtual Petals service, hosted in Microsoft Azure UAE North.