Office 365 Cross-Tenant Mailbox Migration (Corporate Merger Scenario)
Because of a corporate merger from the parent company of a subsidiary, I need to move the user mailboxes from…
Determine Data Location from your Microsoft 365 Tenant
To determine where your Microsoft 365 tenant is storing its data, you can sign-in to the Microsoft 365 portal and…
Control automatic external email forwarding in Microsoft 365
Microsoft recently changed its default outbound spam filter policy (Automatic – System-controlled) in Exchange Online to block per default external…
Windows Local Administrators Group Membership on Azure AD joined Devices
What actually happens to the local administrators group membership when you join a windows device to Azure AD? Below to…
Email Authentication by using DMARC, DKIM and SPF
In this post I want to show how you can prevent that your email domain is abused for email spoofing…
Set up DomainKeys Identified Mail (DKIM) in Office 365
Either you can set up DKIM by using the Microsoft 365 Defender portal or manually by using PowerShell. First I…
ZeroConfigExchange & ZeroConfigExchangeOnce
Creating an Outlook profile is very easy and a wizard will guide you throughout the process. The wizard therefore uses…
Outlook 2016/2019 Click to run – Adding multiple Office 365 E-Mail Profiles – Sorry, another account from your organization is already signed in on this computer
Recently I wanted to configure two E-Mail profiles on a Windows 10 computer, each of them should include an Office…
How to reject Emails in Office 365 they fail DMARC
EASYDMARC had an interesting blog post about DMARC handling with Microsoft 365. DMARC and Microsoft : What is Happening?https://easydmarc.com/blog/dmarc-and-microsoft/ You…
Set up DomainKeys Identified Mail (DKIM) on Exchange on-premise
Out of the box on-premise Exchange Server doesn’t support DKIM signing. To deploy DKIM for your on-premises Exchange Servers you…
