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"
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!"
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"
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"
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 … Continue reading "Exchange Server 2019 Preview is available!"
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 … Continue reading "I will be speaking at ExpertsLive NL 2018!"
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 … Continue reading "I will be speaking at the European Collaboration Summit 2018"
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 … Continue reading "Free community event in Maarssen (NL) this Thursday evening"
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 … Continue reading "Office 365 to enforce TLS 1.2 per October 15, 2020"
In a few weeks, I’ll be travelling to Novotel Leuven in my neighboring country Belgium for the E-Communications & Collaboration Day 2017, a full-day (May 3rd 2017) of expert presentations and content about Office 365, Exchange, Skype for Business and related technologies. During this day, I will be presenting “Securing Exchange Online”: In this session, … Continue reading "I'll be speaking at E-Communications & Collaboration Day 2017 (BE-COM.eu) on May 3rd 2017"