Microsoft 365
All pages referring or tutorials for Microsoft 365.
Getting started with Microsoft 365 Backup
Friday, April 03, 2026 in Microsoft 365
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Microsoft 365 Backup ensures that your data, accounts and email is safe and backed up into a separate storage space. A good and reliable back-up solution is crucial for any cloud service, even when having versioning and recycle bin options. Data in …
What is MTA-STS and how to use it to protect your email flow
Thursday, January 08, 2026 in Microsoft 365
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MTA-STS is a standard for ensuring TLS is always used for email transmission. This increases security and data protection because emails cannot be read by a Man in the Middle. It works like this for inbound and outbound email to ensure security is …
Disable users' self service license trials
Thursday, December 04, 2025 in Microsoft 365
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One day I came across an option in Microsoft 365 to disable the users’ self service trials. You must have seen it happening in your tenants, users with free licenses for Power Automate, Teams or Power BI. I will show you how to disable those …
Enhance email security with SPF/DKIM/DMARC
Monday, June 16, 2025 in Microsoft 365
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When it comes to basic email security, we have 3 techniques that can enhance our email security and delivery by some basic initial configuration. Those are called SPF, DKIM and DMARC. This means, configure and mostly never touch again. Microsoft …
Disable DirectSend in Exchange Online
Sunday, May 04, 2025 in Microsoft 365
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Microsoft has published a new command to completely disable the unsafe DirectSend protocol in your Microsoft 365 environment. In this guide I will explain what DirectSend is, why you should disable this and how we can achieve this. What is …
Set a domain alias for every user in Microsoft 365
Friday, December 13, 2024 in Microsoft 365
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Sometimes, we add a new domain to Microsoft 365 and we want to have a domain alias for multiple or every user. Logging in Exchange Online Powershell To configure a alias for every user, we need to login into Exchange Online Powershell: POWERSHELL …
Configure DNSSEC and SMTP DANE Microsoft 365
Thursday, October 31, 2024 in Microsoft 365
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Recently, Microsoft announced the general availability of 2 new security protocol when using Microsoft 365 and the service Exchange Online in particular. SMTP DANE and DNSSEC. What are these protocols, what is the added value and how can they help …
Solved - Microsoft 365 tenant dehydrated
Friday, September 20, 2024 in Microsoft 365
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Microsoft will sometimes “pause” tenants to reduce infrastructure costs. You will then get an error which contains “tenant dehydrated”. What this means and how to solve it, I will explain in this post. What is “Tenant …
Create a Catch all mailbox in Exchange Online
Thursday, July 11, 2024 in Microsoft 365
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Sometimes a company wants to receive all email, even when addresses don’t really exist in Exchange. Now we call this a Catch all mailbox, where all inbound email is being catched that is not pointed to a known recipient. Think of a sort of …
Microsoft 365 create a shared mailbox with same alias
Thursday, June 06, 2024 in Microsoft 365
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When using Microsoft 365 and using multiple custom domains, sometimes you are unable to create a shared mailbox that uses the same alias as an existing mailbox. In this guide I will explain this problem and show how to still get the job done. The …