Phishing Attempt to Grab Office 365 User Credentials

Office 365 users might receive a phishing attempt to say that they’ve just been paid by a UK healthcare group. The message shows some obvious signs to tell the recipient that it only contains trouble, but these signs are easier for humans to pick up than they are for machine learning. The combination of good message hygiene and user education should be enough to deflect phishing attacks.


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….

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.

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.

Will Microsoft Teams Take Over from Email?

In a session recorded at Microsoft Ignite 2019, Tony Redmond discusses the question of will Microsoft Teams take over from email. The session covers the strengths and weaknesses of both technologies and makes recommendations for how organizations can take full advantage of Teams and email.

Microsoft Clamps Down on Auto-Expanding Archive Mailboxes

In a surprise development, Microsoft reversed course for Exchange Online auto-expanding archives and imposed a 1TB limit. The promise of a bottomless archive that continually expanded to cope with user data is removed. Although it’s reasonable for Microsoft to restrict the consumption of resources, suddenly implementing a limit is not, especially when you don’t communicate with customers.

Exchange Online Protection Improves Zero-Hour Auto Purge (ZAP)

The fight against spam and malware goes on unabated. ZAP, or zero-hour auto purge, is an Exchange Online Protection (EOP) feature that’s getting some extra features to deal better with spam and phish malware. New policy controls are available to control the feature.

OWA Embraces Office 365 Sensitivity Labels

OWA now supports Office 365 Sensitivity Labels, which means that users can apply labels to mark and/or protect messages with encryption just like they can with Outlook. The update adds to the ways that sensitivity labels can be applied to Office 365 content, with the next step being to achieve the same support for the other online Office apps.