Microsoft Exchange and Active Directory Blog
The Microsoft Office 365 Developer Program is not new, but perhaps some of you are not yet familiar with it. So if you want to try out Office 365, or even develop your own applications for or with Office 365, the Developer Program gives you 25 E3 plans for 90 days free of charge (see note at the end of the ... Read more
Sophos UTM 9.6 Webserver Protection (WAF) can now forward WebSocket connections to the Real Server. This means that web applications that require WebSocket for the function now work in connection with the UTM WAF. One of these applications is, for example, the Windows Admin Center, but the UniFi SDN Controller also uses WebSockets for certain features. Although ... Read more
Since the last article on Sophos UTM Webserver Protection and Exchange was written a few days ago, I have decided to update the howto. The last article referred to UTM 9.4 and is now almost 3 years old. Therefore there is now a new article with the UTM in ... Read more
In part 2 of this article series, I described the installation of the ELK stack on Debian 9.8. This part is about the configuration of the individual components and the data of the Exchange Server message tracking logs. Introduction In this article, the ElasticStack components and the Exchange Server are configured. This article refers directly to ... Read more
As already announced, I would like to realize dashboards for Exchange Server with Elasticsearch, more precisely, the Elastic Stack (ELK). This part is about the installation of the Elastic Stack on a Debian 9.8 VM. Introduction I have described the installation and configuration in this article so that the environment can be recreated if you are interested. When I ... Read more
Unfortunately, Exchange Server does not offer a build-in option to clearly display the status of the environment or certain performance parameters on a dashboard. Even many monitoring tools quickly reach their limits when it comes to clearly displaying the number of emails received or sent, for example. In this series of articles, I would therefore like to take a look at ELK, or the Elastic Stack ... Read more
Most users manage the absence notifications themselves via Outlook. Before a planned absence, such as vacation, the user enters the desired message and, if necessary, specifies a deputy. In addition, the helpdesk or a user's line manager should usually also be able to enter an absence notification for users; this is usually useful for an unplanned absence, ... Read more
In my last article about a free S/MIME certificate for signing and encrypting emails, I made a stupid mistake. In the last article, I recommended the CA DGNCert, which offers free S/MIME certificates, but the CA itself is not stored as a "Trusted Root Certification Authority" in Windows. So as long as the root certificate is not manually ... Read more
The updates for Windows Server which were released on February 19, 2019 after the regular patchday are also important for Exchange Server running on Windows Server 2016. Specifically, it is about a problem that has existed since September 2018: KB4457127 causes problems on DCs in connection with Exchange KB4457127 causes problems after installation ... Read more
Here is another short review. I am often asked which anti-spam / email security product I would recommend and what my experience with it has been. There are countless solutions on the market and almost the entire spectrum is covered: special hardware appliances, VMs, Windows or Linux, software that runs directly on the Exchange ... Read more
