Prolog This article is about an old school topic. In the last few weeks after my vacation, I was supporting a company who had issues between a server and the mail environment to send emails. In this company, the messaging environment is configured that only authenticated systems are allowed to send messages. This I have […]

Microsoft Office 365 allows us in a very easy way to encrypt messages to our recipients. To be able to use Message encryption we need to have either an Office 365 Enterprise E3 or E5 Plan or a Microsoft 365 E3 or E5 Plan. If we don’t have one of those plans but at least […]

  Microsoft has announced that Skype for Business will be retired on July 31st, 2021. At the Ignite 2019 in Orlando FL were many sessions about Microsoft Teams and it was kind of clear, that Microsoft Teams will replace Skype for business in the nearest future. Now it is clear when that will happen. In […]

I am working many years in IT, most ot the time with the messaging and emailing. My first steps I have made with postfix, Exchange 5.5 and Exchange 2003. However, let us have a short look about Messaging, Emailing and communication. The definition of Emailing is: An e-mail is a message in the form of […]

Working as a consultant for multiple customers forces us to connect multiple times a day to different Exchange Online management shell’s. Everyone has his own way to save the connection command for the Exchange Online PowerShell. I had the command always saved in a ready to use Notepad document. However, since I am always using […]

Few weeks ago, I was working on a migration project between two independent domains. The project by itself was huge because there were multiple teams working on too. In this project, we had to migrate the Active Directory including the SID history, Exchange SAP Skype for business and much more other things.   However, because […]

The single biggest threat to our business’s online security is malicious emails. As responsible Messaging Administrators/Engineers/Architects, it’s up to us to require email security best practices among our users and institute a security-minded culture within our organization.   Contrary to popular myth, the most effective hacking techniques require almost no technical skill. A hacker needs […]