Setting Custom Recipient Limits for Exchange Online Mailboxes

Exchange Online now supports a custom recipient limit for mailboxes of between 1 and 1000. The limit controls the maximum number of recipients a mailbox can add to a message. Think of the fun you could have by setting the recipient limit on manager mailboxes to something small, like 6….

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Microsoft Retreats From 1TB Limit for Auto-Expanding Archives – For Now

In November, Microsoft set a 1TB limit for Exchange Online auto-expanding archive mailboxes. Now they’ve retreated and the latest service description says nothing about a limit. The two changes in the service featured little or no customer communications and a total lack of any supporting material, like administrative controls to help manage archive mailboxes approaching the limit. While a limit has gone for now, it will be back.

Microsoft Removing Legacy Office 365 eDiscovery Tools

Microsoft announced the retirement of legacy eDiscovery tools from Office 365. The Exchange Online in-place holds and eDiscovery tool, Office 365 Advanced eDiscovery 1, and the Search-Mailbox cmdlet are being retired. All will be gone by mid-2020. It’s a pity to see the Search-Mailbox cmdlet being removed, but time and progress make this kind of thing inevitable.

Office 365 Message Encryption (OME) Making Protected Email Better

Microsoft is releasing some updates to Office 365 Message Encryption (OME) in January. The detail in the announcement wasn’t great, so we plunged in to find out what’s happening. THe bottom line is that OME will use tenant domains to send email so that anti-spam filters will consider the messages to be authentic.

Blocking Outbound Messages Stamped with an Office 365 Sensitivity Label

Exchange Online transport rules can block outbound email stamped with selected Office 365 Sensitivity Labels to make sure that confidential material doesn’t leave organizations. The transport rule is very easy to construct with the only complication being the need to discover the GUID of the sensitivity label you want to block. Fortunately, PowerShell gives us an easy way to find a label’s GUID.

Outlook for iOS Can Finally Snooze, But Some Interesting Features Remain Unavailable Outside the U.S.

Outlook for iOS finally supports the Do Not Disturb feature to suppress notifications for new email, something that Outlook for Android has been able to do for 18 months. iOS and Android are obviously different ecosystems, so the delay might have been caused by problems dealing with the Apple notification service. In any case, you can now snooze some or all of your email accounts. In other news, some of the more interesting features available to U.S. email accounts are still not available outside the reach of Cortana.

Three Ways to use PowerShell to Send a Welcome Message to New Office 365 Users

Multiple PowerShell modules are available to Office 365 administrators to automate common processes. In this case, we want to send a welcome message to new accounts. Three PowerShell modules are available, but what’s the best in terms of performance and ease of use? There’s only one answer and that’s Exchange Online.

Using the Immersive Reader in Teams and OWA

The Microsoft Immersive Reader exists to make messages more readable for those who need a little help. It’s built into Office apps like Teams and OWA. Most people don’t know this or don’t need to use the reader, but those who do need support to access and understand text will find the Immersive Reader very helpful.

Use ORCA to Check Office 365 Advanced Threat Protection Settings

ORCA is a project to help Office 365 tenant administrators validate their anti-spam and anti-malware settings against recommendations from Microsoft. ORCA is installed as a PowerShell module with just one cmdlet. After running Get-ORCAReport, you’ll have a report containing recommendations and observations about your configuration.

Testing the New Exchange Online REST-based PowerShell Cmdlets

Nine new REST-based PowerShell cmdlets are available for Exchange Online. They offer the prospect of better performance and reliability. Here are the code samples we used to test the new cmdlets for a theater session delivered at the Microsoft Ignite 2019 conference. Anyone wanting to explore the new cmdlets can use these examples to get going.