Office 365 Hybrid Mail Flow Diagram

Manage mail flow with mailboxes in multiple locations exchange online and on premises 6 30 2020.

Office 365 hybrid mail flow diagram. Use microsoft exchange online and microsoft 365 or office 365 to manage mail flow. Find out how and get tips and best practices for setting up and managing your email. In this article we will see how the inbound and outbound flow works when the email routing configured to route through exchange online protection.

12 minutes to read 3. Let us assume that exchange hybrid organization pointed its mx record to office 365 or exchange online protection the mail flow works as shown in the below diagram. This topic covers the following complex mail flow scenarios using microsoft 365 or office 365.

Exchange 2010 and exchange 2013 have different configurations for hybrid mail flow. Attempts to create workarounds to issues may succeed in routing mail but may break hybrid mail flow. The following steps and diagrams illustrate the inbound message path that occur in your hybrid deployment if you decide to point your mx record to the eop service in the microsoft 365 or office 365 organization.

As you can see in the diagram all the new servers are added with the connection flow to from exchange and o365. An accepted domain added to the on premises organization for hybrid mail flow and autodiscover requests for the microsoft 365 or office 365 service. Mail flow best practices for exchange online microsoft 365 and office 365 overview 6 30 2020.

Leave a comment below or follow me on twitter joepalarchio for additional posts and information on office 365. This domain is added as a secondary proxy domain to any email address policies which have primarysmtpaddress templates for domains selected in the hybrid configuration wizard. The message path differs depending on whether you choose to enable centralized mail transport.

How to manage mail flow in an exchange hybrid environment which is when some mailboxes are on premises and some are in microsoft 365 or office 365. Shared address space with on premises routing control mx points to on premises is a hybrid deployment mail routing scenario in which your mailboxes are hosted partially in exchange online and partially on premises and incoming and outgoing internet mail flow is routed through the on premises exchange organization.