Prolog In my last article about this topic I have described how you can perform simulated phishing attacks on your own infrastructure. This is all about raising the awareness of your own employees. If you haven’t read this article yet, I recommend you do that later. This article is based in many points of the […]
Prolog One of the biggest dangers in the industry for IT professionals is attacks on their own company network. There are different types of attacks. As I have described in a previous article, one of the biggest threats are phishing attacks. There are several providers of employee training aimed at improving awareness of such attacks […]
Prolog This article is about an old school topic. In the last few weeks after my vacation, I was supporting a company who had issues between a server and the mail environment to send emails. In this company, the messaging environment is configured that only authenticated systems are allowed to send messages. This I have […]
Microsoft Office 365 allows us in a very easy way to encrypt messages to our recipients. To be able to use Message encryption we need to have either an Office 365 Enterprise E3 or E5 Plan or a Microsoft 365 E3 or E5 Plan. If we don’t have one of those plans but at least […]
Last week Microsoft has announced surprisal, that the support of Exchange 2010 will be extended for few more months till October 13, 2020. So, what that means for us? Prolog Exchange Server, like almost all Microsoft products, has a support lifecycle during which we provide new features, bug fixes, security fixes, and so […]
I am working many years in IT, most ot the time with the messaging and emailing. My first steps I have made with postfix, Exchange 5.5 and Exchange 2003. However, let us have a short look about Messaging, Emailing and communication. The definition of Emailing is: An e-mail is a message in the form of […]
Prolog Recently I had a small project by one of my customers. This customer company has bought another company and one part of the project was to bring this two companies closer to each other step by step. However, one of the project points was to create a federation between both Organizations. One company – […]
Each of us has had issues with Outlook OneDrive or other Office 365 themes in the past. Microsoft has provided some time ago a new tool, which they have named SaRA. In this article, I’d like to talk a bit more about this very helpful tool. SaRA stays for Microsoft Support and Recovery Assistant for […]
Working in IT shows us that one of the main things we must think about is to defend our organization from several types of cyber attacks. In this and next two articles I am writing about what we must think to stay successful out there in the world wide web. When we talk about […]
Time by time customers are asking me if it is possible, to move sent mails from shared mailboxes, to the sent items folder of the shared Mailbox. Here is a small Desmond and Alexios example from the Marketing department of Contoso are responsible for the shared Mailbox [email protected]. However, customers are writing emails to this […]
Thanks to the globalization, companies worldwide are working closer with each other. However, not all companies are using the same messaging solution. In this article, I want to show, how to be able, that Exchange users are able to see the availability (free/busy) of G Suite users. Preparation on G Suite The first thing […]
A few days ago, I had to configure a few mailboxes for enabling message copy while sending. However, this is not the point at this moment. When I ran the PowerShell command, I got the following output: The error says that this command only works for user or shared mailboxes. In the first moment, […]