Exam MS-220 Exchange Online Troubleshooting list of sources

Reading Time: < 1 minute This month the beta exam MS-220: Troubleshooting Microsoft Exchange Online became available. This exam will provide the Microsoft 365 Certified: Exchange Online Support Engineer Specialty. Microsoft Learning announced this new certification in March. Because it's a beta exam there is not a lot of training material or courses (yet) you can use to prepare. I've created a list of reference articles while preparing for this exam myself. I did something similar with the Exchange Server 2013 beta exam! 🤓 You

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Easily list mail DNS records via this PowerShell script

Reading Time: 2 minutes 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!

Reading Time: 2 minutes 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

Reading Time: 4 minutes 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 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

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How To: Exchange Authentication Policies

Reading Time: 3 minutes 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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Exchange Server 2019 Preview is available!

Reading Time: 3 minutes 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!

Reading Time: < 1 minute 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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I will be speaking at the European Collaboration Summit 2018

Reading Time: < 1 minute Some exciting news! I’ll be speaking at the European Collaboration Summit 2018 in Mainz, Germany on May 28-30. My session is “Securing Exchange Online” and during that hour I will go through the capabilities of Exchange Online (Office 365) to further secure your email data and mail flow based on up-to-date know-how. It’s a topic I like, is quite relevant and popular, I also have to update my session every time with new information and considerations. The Summit itself looks

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Free community event in Maarssen (NL) this Thursday evening

Reading Time: < 1 minute What? A free community event in a first collaboration between Dutch and Belgian Exchange, Skype and Office 365 experts. There will be two sessions, but before and after sessions you are free to talk with any of them about Exchange, Skype for Business/Teams and Office 365. When? This Thursday evening starting at 18:00. Where? Maarssen (near Utrecht) at the Fujitsu office. Who? MVPs like Jaap Wesselius, Dave Stork, Michel de Rooij, Steven Van Houttum and Michael Van Horenbeeck along with

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Office 365 to enforce TLS 1.2 per October 15, 2020

Reading Time: 5 minutes Update 21 July 2020 Microsoft has set a new date for the deprecation of TLS1.0 and 1.1, after a previous postponement due to the pandemic. You can find it in the Microsoft 365 Message Center message MC218794, which also references this Docs article. From October 15, 2020 onward, Microsoft will gradually enforce TLS1.2 on Office 365 services. Note that this enforcement change will take to roll-out to every tenant etc., so you might not see it immediately. I hope everybody

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