Category: Exchange Online

Cat Links Exchange Online, Microsoft 365, Office 365, OWA

How to configure forwarding for a Microsoft 365 Group

Posted on Vasil Michev

In this article we explore the various ways to configure forwarding for email messages addressed to a Microsoft 365 Group. These include the self-service Inbox rule based method, mailbox-level forwarding, mail flow rules and simply adding the recipient to the Group’s “subscriber” list. Some basic troubleshooting steps are also outlined for the external forwarding scenario. …

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Cat Links Outlook, Exchange Online, Microsoft 365, Office 365

How to add a shared mailbox as additional account in the New Outlook

Posted on Vasil Michev

In order to access certain Outlook features, it has always been recommended to add a shared mailbox as additional account. At long last, this functionality is now available in the New Outlook client. Follow the steps in this article to learn how the process works and what new features the modern Outlook client brings! Enable access to rules, auto-replies, categories and more! …

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Cat Links Exchange Online, Microsoft 365, Office 365

Lack of service-side validation allows group guest user restrictions bypass via OWA

Posted on Vasil Michev

A recent exploration into how OWA enforces guest user restrictions for Microsoft 365 Group releaved that client-side checks are used, and in turn restrictions could be bypassed by crafting a request with modified payload. After doing the responsible thing and reporting this issue to Microsoft, I am now bringing you some additional details on it, after the corresponding fix has been rolled out worldwide. …

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Cat Links Exchange Online, Microsoft 365, PowerShell

Upcoming changes to the Connect-IPPSSession cmdlet (the EnableSearchOnlySession switch)

Posted on Vasil Michev

A recent message center post, MC1131771, notified us about upcoming changes to PowerShell connectivity to the Security & Compliance endpoint. In particular, starting Aug 31st, some cmdlets exposed via said endpoint will require you to leverage the -EnableSearchOnlySession parameter when running the Connect-IPPSSession cmdlet. The set of cmdlets includes: New-ComplianceSearchAction …

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