Tag: PowerShell

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Moving on from Send-MailMessage: Sending Email from PowerShell using the Graph API 36 Comments
PowerShell Microsoft Graph

Moving on from Send-MailMessage: Sending Email from PowerShell using the Graph API

Many PowerShell scripts use the Send-MailMessage cmdlet to send mail. That's fine, but if you want to remove basic authentication to improve tenant security, you need to stop using Send-MailMessage. One solution is to move to use the Graph API SendMail call. This works fine, but it creates some new security issues that need to be thought through. In this article, we explain how to use the Graph to send email and some of those security considerations to ponder.

June 8, 2021
Getting Exchange Online Distribution List Membership Counts with PowerShell 15 Comments
Exchange Online Powershell

Getting Exchange Online Distribution List Membership Counts with PowerShell

It's important to know if a tenant has any very large distribution lists as these might be the source of reply-all mail storms. An old article explains how to report the membership counts for distribution lists on an on-premises Exchange server. Life is different in the cloud, and we need to take a different approach. This article explains how to use different calls in a PowerShell script to create a nice report about distribution list memberships.

June 7, 2021
New-DistributionGroup: A PowerShell Cmdlet Which Gets No Respect 9 Comments
Powershell New-DistributionGroup

New-DistributionGroup: A PowerShell Cmdlet Which Gets No Respect

The New-DistributionGroup cmdlet has been in Exchange since 2006. It creates a new distribution list that is easily populated with a few commands. Although Microsoft might like everyone to use the new-fangled Microsoft 365 Groups, the fact remains that distribution lists are very useful. So much so that many millions are still in active use. In this article, we explore how to create new standard and dynamic distribution lists with PowerShell.

May 12, 2021
How to Monitor Changes to Sensitivity Labels Used for Container Management 10 Comments

How to Monitor Changes to Sensitivity Labels Used for Container Management

Sensitivity labels are an effective way to manage containers like Teams, Microsoft 365 Groups, and SharePoint sites. Microsoft doesn't provide any way to track changes made to labels assigned to containers, which means that a group owner can downgrade the policy assigned through a label. This article explains a method to detect when label changes occur for containers and how to revert those changes if necessary.

May 4, 2021
Inventorying Permissions Assigned to Azure AD Apps 10 Comments

Inventorying Permissions Assigned to Azure AD Apps

Many apps are created in the Azure AD for a tenant. Those apps have permissions to allow them to access data, and consent for those permissions are granted by administrators and users. How often do you check what apps are known in your Azure AD and what permissions those apps have? In this article, we review how to use the Graph API and PowerShell to create a report inventorying apps and permissions. What you do with that data is up to you!

April 26, 2021