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Automated Maintenance for the Exchange Online Tenant Block List

The tenant block list controls traffic that Exchange Online blocks from different domains. The block list is an important tool but maintaining it can take a lot of time. This article discusses how to automate the process using a combination of SharePoint Online, Exchange Online, and the Microsoft Graph PowerShell SDK.

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The Choice Between Outlook’s Junk Email Filter or Tenant-Level Blocks

People have used Outlook's Junk Email Options for years to maintain sets of safe and blocked recipients. The possibility exists that Outlook's safe list might interfere with the processing of email by Exchange Online Protection. This article explores the feasibility of disabling Junk Email Options to use tenant-level blocks instead.

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Creating Dynamic Distribution Lists Based on Email Addresses

Exchange Online recipient filters calculate the membership of dynamic distribution groups. The filters support email addresses, but they don't work. Another method is needed to create dynamic distribution lists based on user mailbox email addresses, as we describe in this article and script.

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Microsoft 365 Review of 2023

This article is a review of Microsoft 365 in 2023 covering topics like Copilot, the new Teams client, security, the ban on old servers sending email to Exchange Online, and Microsoft's ongoing attempts to monetize the installed base with premium products and add-ons.

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Five Good Reasons to Use Dynamic Microsoft 365 Groups

Over time, Microsoft 365 tenants often grow and the number of devices and users increases. Instead of adding groups one by one whenever an additional user is added, dynamic groups will simplify your work. In this article, we explain some good reasons to use dynamic groups and some points to keep in mind when using them.

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