Default Configurations
- Microsoft Booking – Organization Wide
- Authenticated SMTP Clients (Legacy Protocol) – Tenant Default
- Legacy TLS Client
- Third Party Storage Providers in OWA
- Allow Users to Send Emails from Alias
- Plus Addressing
- Message Size Restriction – New Mailboxes
- Focused Inbox
- External Email Warning Tag in Outlook
- Unified Audit Log
- Security Defaults
- Microsoft Entra