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Testing Office365 Mail Rules

Recently I had to implement a tag for external emails. However, I wanted to test it out first and see what would be tagged.

I created my rule and set these settings:

Audit this rule… should be checked off but can be set to “Not specified” while the mode should be Test without Policy Tips.

Ok the rule.

Wait a day, then go to to the Reports section of Office365 Security & Compliance Center. On the Dashboard, click on the Exchange transport rule section.

Once there, click the dropdown for “Show data for” and choose your transport rule. This will only list transport rules where you have checked off Audit this rule with severity level: . No matter the setting, that must be checked off or you won’t see results here!

That’s it. Filter by sender, date, etc. and you’ll see the emails affected by the rule. Happy hunting!

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Using the New Exchange Admin Center (2020 Edition)

I’ve noted this as the 2020 edition because simply… Microsoft loves to change their GUIs and portals. If you’ve worked with Office365 for a long time, you can remember the BPOS days and all the subsequent portals.

Anywho, the link for Exchange Admin is more in-line with the Sharepoint and Teams admin portals and is easier to remember: https://admin.exchange.microsoft.com/

As of this writing, it’s… pretty blank when you arrive there. You can still run message traces through here. One of the bigger changes is they’ve combined User and Shared Mailboxes under Mailboxes and put distribution lists and Office365 groups under Groups. Resource Mailboxes are under Resources.

As of now, I still work out of PowerShell or the old admin center. This will probably be finished by late next year… just in time for the next version of the EAC to apprear.

Microsoft ExchangeOffice365Powershell

Getting Inbox or Mailbox Rules in Office365 via Powershell

First, login to your tenant via Powershell using Microsoft’s new Exchange V2 Powershell module.

We’re going to be using the Get-InboxRule commandlet. If you run it outright, you’ll see a limited list of Inbox rules across your tenant. To narrow things down, you can use Get-InboxRule -Mailbox [user] to get rules for a specific user. Using the -Identity parameter will not work for this! Identity is for specifying specific Inbox rules. You can use wildcards, so you could do Get-InboxRule -Mailbox jeff*

The results will be:

From here, you can use the -Identity parameter to get information on specific rules such as their date of creation, what they actually do, and more!

Check it out.