MC289686 – (Updated) Change to mailbox forwarding behavior coming to Exchange Online

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check before: 2021-11-05

Product:

Exchange

Platform:

Online, World tenant

Status:

Change type:

Admin impact, Feature update, Updated message, User impact

Links:

Details:

Updated April 21, 2022: Based on learnings from our early rings, we have made the decision to make additional changes before we proceed with the rollout. We will communicate via Message center when we are ready to proceed.
We're making some changes to which forwarded messages are rewritten with SRS.

Starting in early November, we will be further consolidating our rewriting for messages that are automatically forwarded outside of Exchange Online. Not all forwarded messages are rewritten using SRS today. Messages forwarded with SMTP or mailbox forwarding have their P1 Mail From address replaced with the forwarding mailbox address today. This will be changing and SRS rewriting will be used instead.
The change will be rolled out slowly and it may take several months to reach your organization.

Change Category:
XXXXXXX ...

Scope:
XXXXXXX ...

Release Phase:

Created:
2021-10-07

updated:
2022-04-22

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changes*

DatePropertyoldnew
2022-04-22MC prepareBefore this change takes effect, customers who route traffic to the internet from their on-premises environment should enable the new parameter SenderRewritingEnabled on their outbound on-premises mail flow connector to avoid any disruptions.
Please click Additional Information to learn more.
https://docs.microsoft.com/office365/troubleshoot/antispam/sender-rewriting-scheme
Before this change takes effect, customers who route traffic to the internet from their on-premises environment should enable the new parameter SenderRewritingEnabled on their outbound on-premises mail flow connector to avoid any disruptions.
Please click Additional Information to learn more.
2022-04-22MC MessageTagNamesAdmin impactUpdated message, Admin impact
2022-04-22MC Last Updated10/06/2021 22:21:192022-04-21T21:54:05Z
2022-04-22MC MessagesWe're making some changes to which forwarded messages are rewritten with Sender Rewriting Scheme (SRS).
Starting in early November, we will be further consolidating our rewriting for messages that are automatically forwarded outside of Exchange Online. Not all forwarded messages are rewritten using SRS today. Messages forwarded with SMTP or mailbox forwarding have their P1 Mail From address replaced with the forwarding mailbox address today. This will be changing and SRS rewriting will be used instead.
The change will be rolled out slowly and it may take several months to reach your organization.
Updated April 21, 2022: Based on learnings from our early rings, we have made the decision to make additional changes before we proceed with the rollout. We will communicate via Message center when we are ready to proceed.
We're making some changes to which forwarded messages are rewritten with SRS.

Starting in early November, we will be further consolidating our rewriting for messages that are automatically forwarded outside of Exchange Online. Not all forwarded messages are rewritten using SRS today. Messages forwarded with SMTP or mailbox forwarding have their P1 Mail From address replaced with the forwarding mailbox address today. This will be changing and SRS rewriting will be used instead.
The change will be rolled out slowly and it may take several months to reach your organization.
2022-04-22MC Action Required By11/05/2021 08:00:00
2022-04-22MC TitleChange to mailbox forwarding behavior coming to Exchange Online(Updated) Change to mailbox forwarding behavior coming to Exchange Online
2022-04-22MC End Time05/02/2022 09:00:002022-06-30T09:00:00Z

*starting April 2022

Last updated 3 weeks ago

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