This year, the annual Microsoft Certified Trainer (MCT) summit will be held in the Netherlands. The event which takes place between 14-17 January will take place at location “De Loods” in Rijswijk which is near The Hague. The event has a limited capacity of 200 attendees, which guarantees an intimate and engaging experience. At the…
Category: Exchange Online
Enable external sender identification in Exchange Online
Microsoft has rolled out a new feature in Exchange Online called External Sender Identification. It allows for tags to be added to email messages coming from outside of your organization. So what will happen is that Outlook will display a new tag on emails called “External” in the message list. In some Outlook clients, the…
Create Powershell Session is failed using OAuth when using the Exchange Online V2 PowerShell module
Update: Since September 2022, the v3.0 PowerShell module of Exchange Online is available, which when used solves this issue as well. You can update your existing PowerShell module by running the following command. Update-Module -Name ExchangeOnlineManagement Today, while wanting to check some settings in our Exchange Online environment, I ran into an issue where the…
Enabling Plus Addressing in Office 365 Exchange Online
In December 2019 Microsoft included support for Plus Addressing in their roadmap (ID 59441) for Office 365. In the meantime this feature is released but needs to be enabled before it can be used. What is Plus Addressing? Plus addressing has been available for a while now in other email services like Google Gmail. It…
Office 365 Templated policies and Preset security policies in Exchange Online Protection and Office 365 ATP
In my deep dive article on Office 365 Advanced Threat Protection (ATP) I mentioned that Microsoft provides best practices as described in the following article: “Recommended settings for EOP and Office 365 ATP security“. When implementing the settings in the article you either have the option to go for a “Standard” or “Strict” security level,…
Office 365 Advanced Threat Protection (ATP) deep dive
Around 5 years ago (April 2015) Microsoft announced Exchange Online Advanced Threat Protection (ATP), which was renamed to Office 365 Advanced Threat Protection around a year later. By using Office 365 Advanced Threat Protection you can add additional protection to the email filtering service available in Office 365 called Exchange Online Protection (EOP). In this…
Microsoft is going to disable basic/legacy authentication for Exchange Online. What does that actually mean and does that impact me?
Update: On September 23, 2021, the Exchange Team announced that effective October 1st, 2022 basic authentication, regardless of usage will be permanently disabled in all tenants. Update: On June 17, 2021, the Exchange Team announced that they are going to turn of basic authentication for tenants not using it. Update: On February 5th, 2021, the…
Stopping automatic email forwarding in your Exchange Online environment in a controlled way
Working as a modern workplace consultant also means that sometimes you have to go deep into Exchange Online options in order to make sure that (sensitive) data of your customer doesn’t leave the organization without the proper security measurements taken. In the Microsoft documentation titled: “Best practices for configuring EOP and Office 365 ATP“, the…