From mid-August 2023, Exchange Online will enforce the action defined in the sender DMARC policy for inbound messages detected as spoof (by spoof intelligence). Tenants have the chance to amend their anti-phishing policy to decide what to do with these messages. I favor an outright rejection.
This article serves as a step by step guide on how to build an Azure function to retrieve mailbox permissions for Exchange Online.
With all the fuss about the new EAC, it's good to note features that still aren't available in the online version. Like how to export mailboxes to PST files. I don't normally like doing anything with PSTs, but sometimes you must grit your teeth and use what's available. In this article, we explain how to use a content search to export the contents of a user mailbox to a PST file.
After writing a script to generate statistics for room mailbox usage, some folks pointed out that the Graph APIs returned the names of meeting organizer in event subjects. Why does this happen? It's no fault of the Graph. Instead, it all comes down to calendar processing settings for room mailboxes.
In this Blog, James Yip explains how to conduct sensitive file inventory and background labeling using the Purview Information Protection Scanner.
Join Andres Bohren as he dives into Journaling in Exchange, explaining how it works and how to set it up in Exchange Online & On-premises.
Join us as we continue our deep dive into the validation phase of a Microsoft 365 Exchange Online Domain Transfer. In this Blog, we discuss how to communicate a migration plan to stakeholders and end-users.
Most Microsoft 365 user accounts don't need access to Exchange Online PowerShell. It's an administrative tool that end users don't get much value from. In this article, we explore the best way to disable Exchange Online PowerShell using a script that can run interactively or as a scheduled Azure Automation runbook (the best way for automatic management).
Microsoft actively develops Azure AD external identities and doesn't do much with mail contacts. Maybe it's a good idea to migrate mail contacts to Azure AD guest accounts. This article explores what's involved in moving mail contacts over to Azure AD guest accounts using PowerShell.
In this edition of our series on the "Top 5 Best Practices for Exchange Online Domain Transfers," we delve deeper into the importance of validating your plan prior to implementation. Implementing a well-tested and practiced process will help prevent mistakes and encountering unknowns during the migration. Join us as we explore the key considerations for a successful validation phase.
Microsoft announced that Exchange Online will block old Exchange Servers by throttling and then rejecting their inbound email into Exchange Online. The hope is that this tactic will convince those who operate unsupported versions of Exchange Server to upgrade and use supported software that isn't vulnerable to known attack vectors.
My team has recently worked on some projects featuring multi-tenant and multi-Exchange environments. A common requirement for all projects is the ability to share free/busy information across all environments. In this article, I will dive into using free/busy sharing with Exchange/Microsoft 365 in the worldwide cloud. Sharing Free/Busy Information Let’s start with the obvious issues: […]
