Multi-Geo In-Region Routing (IRR) enables customers to control the routing of inbound emails. Using IRR, customers can set the geo-region that inbound mail should be routed to for specific Accepted Domains.
Roadmap › 410245
Microsoft 365: Multi-Geo In-Region Routing
- General availability
- 2025-10
- Preview
- 2025-10
- Added
- 06 Aug 2024
- Last modified
- 14 Jan 2026 00:00 UTC
- First archived
- 25 Aug 2026
- Release rings
- General Availability, Preview
- Clouds
- Worldwide (Standard Multi-Tenant)