Guest articles

In the past years I have time by time written guest articles on other blogs. Here you can find them without searching across the internet:

 

   

HOW TO SMITE SPAM WITH SPF, DKIM, AND DMARK: A GUIDE FOR EMAIL ADMINS

AZURE AD PASS-THROUGH VS. ADFS: WHICH DO WE USE FOR AUTHENTICATION?

EXCHANGE SERVICES DISABLED? HERE’S HOW TO TURN THEM BACK ON

Exchange Online Protection (EOP)

Outlook Troubleshooting: Fixing Calendar Issue

Goodbye Unified Messaging… What Now?

Wondering how to backup Exchange? It’s easy — don’t do it

Fix Office 365 issues using the Microsoft Tool “SaRA”