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Microsoft 365 Roadmap

RM410245Microsoft 365: Multi-Geo In-Region Routing

Summary

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.

Description

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.

GA date: October CY2025

Preview date: October CY2025