Top level domain and subdomain blocking in Tenant Allow/Block List
You can create block entries under domains & email addresses, using the format .TLD, where TLD can be any top-level domain or .SD1.TLD, .SD2.SD1.TLD, .SD3.SD2.SD1.TLD, and similar patterns for subdomain blocking. The entries block all email received from or sent to any email addresses in the domain or subdomain during mail flow.
This is in the weekly digest for week 39 · What changed this week? →
More Defender for Office 365 updates
Expanding user reporting in Teams to include meetings
Expanding user reporting in Teams to include group calls
Separating Teams user reporting settings from email settings
Localized default Mark as and notify email templates
Microsoft Defender for Office 365 Plan 1 included in Microsoft 365 E3
Prompt injection protection
Text by Microsoft, from Microsoft's documentation. Features and dates may change. Terms and the timeline are added by 365Fanatic.
