I will host an ESPC live webinar "Controlling your Enterprise Mail flow" on October 26th

I will be hosting a webinar on the 26th of October with the title "Controlling your Enterprise Mail flow". The European SharePoint, Office 365 and Azure Conference (ESPC) is hosting this live event webinar. It is a topic I have frequently visited before. However, I still find organizations struggle with it. If you are an … Continue reading "I will host an ESPC live webinar "Controlling your Enterprise Mail flow" on October 26th"

I will be speaking at a WICCA online event next week!

It's been a while, but I will be speaking at a WICCA online event next week. WICCA stands for "Women In Cybersecurity Community Association". Their goal is "to bring infosec ladies and female security enthusiasts together to learn about exploits, hacking, incident response, forensics, the low-level stuff and make bad crypto jokes!" At their June … Continue reading "I will be speaking at a WICCA online event next week!"

Easily list mail DNS records via this PowerShell script

I get to investigate quite some mail environments in my work as a consultant. At a certain point you see some patterns emerging. One of those patterns is the correct configuration of mail related DNS records. It's one of the first things I check when I must check an unfamiliar environment. I have talked about … Continue reading "Easily list mail DNS records via this PowerShell script"

Exchange Online finally has plus addressing!

During the virtual Microsoft Ignite 2020, the Exchange Product Group announced the general availability of plus address support in Exchange Online. This has been a long request feature; I blogged about this in 2014 and Microsoft already announced it during Microsoft Ignite 2019. But now it's here! Considering enabling Plus Addressing And if your re-read … Continue reading "Exchange Online finally has plus addressing!"

Quick tips to limit sending mail to the wrong recipient

It happened to all of us: sending a mail to the wrong recipient. Or disclosing the other recipients to each other.Let me show some quick tips that might help limit your users sending information to the wrong recipient. Embarrassing The Dutch Data Protection Agency (Dutch: Autoriteit Persoonsgegevens) is responsible for the supervision of correct handing … Continue reading "Quick tips to limit sending mail to the wrong recipient"

How To: Exchange Authentication Policies

There are several ways how you can protect and limit access to Exchange Online. Conditional Access, Client Access Rules, the older ActiveSync Device rules and, the topic of this post, Authentication Policies. These policies are available in Exchange Online and Exchange Server 2019 since CU2. This article will show you how to implement this. Why … Continue reading "How To: Exchange Authentication Policies"

Installing Exchange 2019 on Windows 2019 Core

Under the Practical PowerShell flag, we've recently posted an instructional YouTube video showing the installation of Exchange Server 2019 on Windows Server 2019 Core. It's light on PowerShell, but as it is Windows Server Core there is a lot of text screens 😉. The 12 minute video can be seen here, but be sure to … Continue reading "Installing Exchange 2019 on Windows 2019 Core"