We’re announcing a support policy update to the Time To Live (TTL) value for MX records pointing to Exchange Online and Exchange Online Protection.
Starting May 2nd, the maximum supported TTL value for MX records will be 6 hours (21,600 seconds) or less for MX records corresponding to domains using Office 365 for email hosting.
Plus addressing support in Exchange Online was released in September 2020 as an opt-in feature due to its incompatibility with some preexisting addresses used by customers. New customers had the feature enabled by default and last year we announced that we would be moving ahead with the plan to turn the feature on for all customers.
That Message center post (MC276028 August ’21) generated a fair amount of feedback from customers who do not intend to allow their users to utilize plus addresses. Considering the feedback, we announced that we would implement a new setting to allow customers the ability to disable the feature ahead of the change. That setting is now ready for use, and we are giving customers 30 days to proactively opt out of the feature before we enable plus addressing by default.
We will be retiring the Get-AdvancedThreatProtectionDocumentReport and Get-AdvancedThreatProtectionDocumentDetail cmdlet from Microsoft Defender for Office 365. Instead, we recommend the utilization of the Get-ContentMalwareMdoAggregateReport | Get-ContentMalwareMdoDetailReport cmdlet, which is where we will continue to invest.
Note: if your organization is not using the Get-AdvancedThreatProtectionDocumentReport and Get-AdvancedThreatProtectionDocumentDetail cmdlet you can safely disregard this message.
To create a more consistent user experience across all policies in Microsoft Defender for Office portal the following Safe Links policy attributes will be migrated from the Global Settings flyout to the custom policy settings.
Note: Use Safe Links in Office 365 Apps
Upcoming, we will be improving the Make every meeting online (EMO) feature in Outlook by turning it on by default and including partner online meeting providers. If your users do not have Microsoft Teams or Skype enabled, once this feature rolls out, all meetings created in Outlook will include an online meeting link using the preferred partner online meeting add-in, provided it’s deployed and available to your users.
Note: This applies to Microsoft 365 accounts and Office Add-ins only.
We’re modernizing Dynamic Distribution Groups (DDGs) to bring you a more reliable, more predictable, and better performing experience. We’re making changes that will reduce mail delivery latency, improve service reliability, and allow you to see the members of a DDG. This rollout will provide the functionality to all Exchange Online organizations.
When this will happen:
Upcoming, we will be cleaning up the SafeLinksPolicy cmdlet params used as part of Set-SafeLinksPolicy and New-SafeLinksPolicy cmdlets.
When this will happen:
We are updating the default logo within the Quarantine notification email that is sent to users.
When this will happen:
Upcoming, we will be retiring the preview program enabling REST API access to on-premises mailboxes for Hybrid Exchange organizations.
Note: This will impact those who write code against Exchange mailboxes.
To make managing the quarantine for shared mailboxes easier for users, this update will enable users who have been granted delegate access to shared mailbox, either through direct access or security group access, to triage the quarantine folder items of those mailboxes.
This message is associated with Microsoft 365 Roadmap ID 88931.
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