There are several ways how we can create email address policies for an Organization. In the companies where I consult, I have noticed, that one of the common ways, is not that much known, how it should be. That is the reason, why I want to write this article about creating E-Mail address policies by […]

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

drago

MS Exchange

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 […]

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 Inadequate standards, outdated technology, and malicious programs could allow attackers to gain access to encrypted email.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 […]

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 […]

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 […]

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, […]

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” […]

Today, more and more companies are moving their IT environment to the cloud. One of the main services, which is moving to Office 365 is messaging. Companies are mostly having their own Exchange environment on-premises, are using third party messaging systems (like Zimbra or UNIX solutions), or a Exchange solution hosted by a third company. […]