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 this anti-spoofing topic on numerous occasions. I would compare it to a ping test when there are network issues. For several years I have worked

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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 my 2014 post, you might read that I was a bit skeptical whether organizations would enable this. It is still certainly a feature that would

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Quick tips to limit sending mail to the wrong recipient

Embarrassing The Dutch Data Protection Agency (Dutch: Autoriteit Persoonsgegevens) is responsible for the supervision of correct handing of personal data. This agency must be informed when there is a breach with personal data. It’s the agency that has its duties described within GDPR. So, it is extra painful when they themselves are responsible of a data leak. Over a year ago they mailed a press release (link to article in Dutch) to several journalists but used the Carbon Copy (or

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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 use Authentication Policies? Authentication Policies only do one thing: enabling or disabling legacy or basic authentication (I use both terms) on protocols used by Exchange

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A new job at NeoNomads!

It's time for a little personal update on what's happening, it's been a while since I've blogged. I wanted to write and post this for myself, but it might be interesting for others. It was a period of heavy soul-searching and job hunting, eventually leading me to join a new consulting company named NeoNomads as a Cloud Architect starting July 1st 2020! Leaving I was a bit restless for a few years now, but it took me a while to

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Getting Azure DevOps tasks in To-Do with Flow

Recently I’ve been working more with Azure DevOps within our team; we do our capacity planning and tasks (Work Items) in sprints. However, I also use mail as a sort of To-Do list. Since a few weeks, you can have Flagged Mails from your Exchange account added as an To-Do task. It even copies most content of the mail and flag status (Complete etc.), both will show the same status. And more recently Planner tasks can show up in the

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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 maximize your screen for the best experience: If you like the video be sure to like it. We plan to have more instructional videos on

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I will be speaking at IT/Dev Connections 2018!

Next week I will be speaking at the IT/Dev Connection conference in Dallas (TX) during 16-18th October 2018, which is particularly exciting for me as it is the first time I will present in the USA! The session title is “Securing, Protecting, and Managing the Flow of Corporate Communications”. The session abstract tells you a bit more: Simple Mail Transport Protocol, or as it is better known, SMTP, should be simple. It says so in the name. However, the internet

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Exchange Server 2019 Preview is available!

Today the Microsoft Exchange Product Group announced the release of the Exchange Server 2019 public preview! They also lifted the veil on some of the new features/capabilities etc. of this new major build of Exchange Server. Where can I download the Preview bits? Click here to download Exchange Server 2019 Preview. Warning: These are Preview bits and are not meant to be used in a production environment (not even as a added Exchange server!). Use a lab environment to test

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I will be speaking at ExpertsLive NL 2018!

And some other news dropped in my mailbox this week: I will be speaking together with Jetze Mellema at ExpertsLive NL 2018 on 19th June! During that session we will talk about Exchange migrations; "Destination unknown, migrating mailboxes from somewhere to anywhere". What will we be speaking about exactly? “Migrating mailboxes. Something every Exchange admin has done. Whether it be from legacy to a more modern version of on-premises Exchange, Cross-forest, to the cloud or even from other groupware solutions.

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