In one of my LAST articles I have described the MX-Records and the SPF-Records, how they work and why we need them. In this article I would like to tell you more about Autodiscover, CNAME and A-Records. Why we need them and which DNS category is needed for what. Note, there are more kind of […]
22/05/2018
It’s now already some years I am supporting companies with their journey to the cloud. Having read the Microsoft announcment about their plans to build two new Datacenters offering Microsoft Online Services in Geneva and Zurich, I am pretty sure that Engineers like me still will have enough to do for the coming years. So […]
17/05/2018
PGP and S / MIME encryption is not nearly as reliable as expected. Inadequate standards, outdated technology, and malicious programs could allow attackers to gain access to encrypted email. A research team around Sebastian Schinzel of the University of Applied Sciences Münster has taken a closer look at the standards and concrete implementations of email […]
15/05/2018
In the last general availability Microsoft has finally launched the Multi-Geo option for Exchange online. So, what that means for us and our customers using Exchange online? If we talk about Multi-Geo, that means we have a single Office 365 Tenant but our Company has Offices all around the world. As example, in the Office […]
08/05/2018
In the past I have described how we can delete old EAS devices from our Exchange on-premises and/or Exchange online environment. More about that you can find HERE. However, sometimes we just have to know how many and which devices are using ActiveSync on our Office 365 tenant. In this article I will show you […]
03/05/2018
If we want to use cloud services it is necessary to understand how DNS works. In this specific article I want to write about DNS records which are needed for the mail flow with Exchange online. Note: I focus in this article the way by using EOP, there are also other solutions we could go with, […]
01/05/2018
Many articles were written in the past about migrating environment to Office 365. In this article I don’t want to do through the same again. However, let us talk instead about what we have to think about before we go through this (project) way. How to start – Step 1: Inventory Microsoft has a […]
27/04/2018
By most of the companies I know or I was working with, there are two scenarios when I was speaking with them about the cloud and Office 365. Number one: They have an existing business on-premise, which is working mostly well, but the lifecycle of the hardware and software version is reached. Number two: Startup […]
25/04/2018
I guess many of you who are reading my blog are also working in the Messaging and/or Cloud area. That means that you also perform Exchange migrations or you are planning them. Earlier this week I was running a clean up after an Exchange migration and I have noticed many Mailboxes with “AvailableOnly” or “none” […]
23/04/2018
Administrating and operating windows services can be done in different ways, one of the most useful ways is to do it with PowerShell. With PowerShell we can connect to remote server, to the Cloud and create scripts for automatization. On my Blog and all around the tech Blogs in the Internet you can find a […]
22/04/2018
This week, I was on a technical board and had to explain to customers on the level of CTO (chief technical officer) how a hybrid Exchange environment works and how it has to be installed. That is why I cached the moment to write this article, which contains the main points of my presentation. The […]
18/04/2018
Microsoft has announced a new major update that group members are able to receive group emails in their personal mailboxes. What that means to us? With this update, we are able to create new Office 365 groups in our Outlook. The default subscription option is now set in the way, that we receive emails sent […]
16/04/2018