Exchange Team Blog | Microsoft Community Hub
A significant update was posted related to Nested App Authentication and deprecation of Exchange Online legacy tokens. Nino_Bilic Exchange Team Blog Dec 03, 2024
Demystifying Exchange Online Provisioning: Architecture, …
2024年7月29日 · Microsoft Exchange isn’t just about mailboxes, it also handles other objects like plain users that aren’t mail enabled, Mail-Enabled Users, groups, contacts, etc. However, Exchange Online and Exchange on-premises differ in object types, and you may find some of them only available in one of those environments.
Introducing Exchange Online Delicensing Resiliency to protect …
2024年11月5日 · After Exchange Online Delicensing Resiliency feature is enabled (new behavior): Once the feature is enabled, you can see when the 30-day grace period will expire by running Get-PendingDelicenseUser: You can also use the Microsoft 365 admin center to see when the grace period ends and take other actions including expediting delicensing.
IPv6 updates for Exchange Online | Microsoft Community Hub
2024年10月30日 · The IPv6 updates for Exchange Online enhance security, performance, and compliance with modern standards. By prioritizing IPv6 for outbound emails and enabling it for inbound mail Microsoft is helping customers stay ahead of regulatory requirements. Customers should review their configurations to fully benefit from these updates.
Exchange Online to introduce External Recipient Rate Limit
2024年4月15日 · Exchange Online does not support bulk or high-volume transactional email. We have not enforced limiting of bulk email until now, but we plan on doing so with the introduction of an External Recipient Rate (ERR) limit. The ERR limit is per user/mailbox and being introduced to help reduce unfair usage and abuse of Exchange Online resources.
Category: Exchange | Microsoft Community Hub
CVE-2024-49040: Mitigating a Critical Microsoft Exchange Server Vulnerability CVE-2024-49040 is a spoofing vulnerability identified in Microsoft Exchange Server versions 2016 and 2019. This flaw allows attackers to forge legitimate sender addresses on incoming emails, potentially making malicious messages appear trustworthy.
Updated Requirements for SMTP Relay through Exchange Online
2023年6月19日 · Your organization hosts email on-premises, and you need to relay non-delivery reports (NDRs) generated by your on-premises system through Exchange Online. In this scenario, the NDRs often have null as the SMTP envelope sender (P1 sender), but the SMTP header sender domain (P2 sender domain) is your organization’s accepted domain in Microsoft 365.
Security Related Updates in Exchange Online | Microsoft …
2024年11月18日 · Exchange Online Management - After much investigation, we have concluded we are unable to provide Graph API access to several admin features that are available to developers via EWS. Once EWS is removed, to perform tasks such as setting folder permissions or managing delegates for a user, you will need to call PowerShell in code or use ...
MFA App ID deprecation in Exchange Online | Microsoft …
2024年1月22日 · The MFA App ID is an Azure-based identifier used for authentication purposes to access Exchange Online resources. This App ID was specifically designed for the now-deprecated Exchange Online PowerShell v1 module also called as MFA v1 module, which has been replaced by the more robust Exchange Online …
Exchange Online to retire Basic auth for Client Submission (SMTP …
2024年4月15日 · Customers using on-premises servers in an Exchange hybrid configuration to send a large volume of internal messages can use this service instead and decommission their on-premises servers. HVE is in Public Preview currently. You can find detailed onboarding instructions at Manage high volume emails for Microsoft 365 in Exchange Online Public ...
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