Category: Microsoft 365

Encrypt your Microsoft 365 emails with S/MIME

Getting started with Microsoft 365 Backup

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 SharePoint or OneDrive stays data in one central place and any minor error is made within seconds. In this guide, I will explain how Microsoft 365 Backup works and how you can start using it.

What is MTA-STS and how to use it to protect your email flow

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 applied to all of the messages processed by your emailing solution and domains. In this guide I will explain how it works. Because it is a domain specific configuration, it can work with any service and is not bound to for example Exchange Online. In this guide we use Azure to host our MTA-STS policy. I present you 2 different options for you to choose, and of course only one is needed. You can also choose to use another solution, its it supports HTTPS and hosting a single TXT file, it should work.

Disable users' self service license trials

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 and only let administrators buy and assign new licenses.

Enhance email security with SPF/DKIM/DMARC

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.

Disable DirectSend in Exchange Online

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.

Set a domain alias for every user in Microsoft 365

Sometimes, we add a new domain to Microsoft 365 and we want to have a domain alias for multiple or every user when acquiring a new domain in some cases. This post explains how to add a new alias with another domain to every user in your Microsoft 365 tenant.

Configure DNSSEC and SMTP DANE Microsoft 365

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 you secure your organization? Lets find out.

Solved - Microsoft 365 tenant dehydrated

Microsoft will sometimes “pause” tenants with minor activity 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.

Create a Catch all mailbox in Exchange Online

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 *@domain.com. In this guide I will explain how to configure this in Exchange Online and how to maintain this by limiting our administrative effort.

Microsoft 365 create a shared mailbox with same alias

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.

Migrate data to SharePoint/OneDrive with SPMT

When still managing on-premises environments, but shifting your focus to the cloud you sometimes need to do a migration. This page helps you to migrate to SharePoint or Onedrive according to your needs.

Dynamic Distribution Groups in Microsoft 365

This guide explains how Exchange Online Dynamic Distribution Groups work, how to create and maintain them with Microsoft 365.