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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Requirements A Microsoft 365 environment with Global Administrator permissions An Azure Subscription with PAYG capabilities Around 30 minutes of your time Basic knowledge of Microsoft 365 What is Microsoft 365 Backup? Microsoft 365 Backup is an …
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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Requirements Around 30 minutes of your time Access to your domains’ DNS hosting to create DNS records An Azure Subscription if you want to publish your policy with a Static Web App A Github account if you use this option An Azure Subscription …
Disable users' self service license trials
Thursday, December 04, 2025 in Microsoft 365
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Why should you disable trial licenses? You can disable self service trial licenses if you want to avoid users to use un-accepted apps. This could result in shadow-it happening in your environment. Let’s say, your company uses Zoom to call with …
Enhance email security with SPF/DKIM/DMARC
Monday, June 16, 2025 in Microsoft 365
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Microsoft announced that starting from May 5, 2025: SPF, DKIM and DMARC will become mandatory for inbound email delivery. Not configuring all three can result in your emails not being delivered correctly. These 3 techniques are: SPF: Sender Policy …
Disable DirectSend in Exchange Online
Sunday, May 04, 2025 in Microsoft 365
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What is DirectSend? DirectSend (Microsoft 365) lets devices or applications (like printers, scanners, or internal apps) send email directly to users inside your organization without authentication. Instead of using authentication, it uses your MX …
Set a domain alias for every user in Microsoft 365
Friday, December 13, 2024 in Microsoft 365
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Logging in Exchange Online Powershell To configure a alias for every user, we need to login into Exchange Online Powershell: POWERSHELL Connect-ExchangeOnline If you don’t have the module already installed on your computer, run the following …
Configure DNSSEC and SMTP DANE Microsoft 365
Thursday, October 31, 2024 in Microsoft 365
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Domain Name System Security Extensions (DNSSEC) DNSSEC is a feature where a client can validate the DNS records received by a DNS server to ensure a record is originated from the DNS server and not manipulated by a Man in the Middle attack. DNSSEC is …
Solved - Microsoft 365 tenant dehydrated
Friday, September 20, 2024 in Microsoft 365
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What is “Tenant dehydrated”? Microsoft sometimes will dehydrate Microsoft 365 tenants where things will not often change to the tenant. This closes some parts of the tenant for changing, even if you have Global Administrator permissions. …
Create a Catch all mailbox in Exchange Online
Thursday, July 11, 2024 in Microsoft 365
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I also created a full customizable PowerShell script for this task which you can find here: Download script from GitHub This way you can skip the guide for a faster solution. Otherwise, follow the steps below to do everything by hand and get a better …
Microsoft 365 create a shared mailbox with same alias
Thursday, June 06, 2024 in Microsoft 365
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The problem of multiple shared mailboxes with same alias Let’s say, we have a Microsoft 365 tenant with 3 domains; domain1.com domain2.com domain3.com When you already have a mailbox called “info@domain1.com” you are unable to …