Microsoft Exchange and Active Directory Blog
In part 1, the Active Directory and DNS have already been installed and configured. In the second part, the Exchange Server is now installed in the test environment. Here once again is the environment that will be set up: The IP addresses of the two servers for an overview: DC 172.16.100.12/24 Exchange: 172.16.100.13/24 In the first part, I already mentioned that I had installed the Windows ... Read more
As already announced here, here is the detailed configuration for my Exchange 2016 organization. The aim is to set up this environment: I am using one of my test domains (frankysweb.org), which is hosted by Strato. I am starting from scratch, only the following things are already prepared: 2 x Windows Server 2012 R2 as ... Read more
I often receive questions like this one (from a few collected mails): I don't have a fixed IP address, but would like to run my own Exchange server, is that possible? I want to set up an Exchange test environment at home, how do you do that? I have a very small customer who wants to use Exchange, what do I need? Since these questions ... Read more
Today is the day, I have just uploaded version 3.2 of the Exchange Reporter. In the current version, I was able to correct many errors thanks to many comments. Many thanks at this point to all those who have reported errors. I would especially like to thank Ajdin, who not only found most of the errors, but also ... Read more
Foreword Without Office Online Server integration, the Word document can be downloaded, but it cannot be displayed directly: Installation Under Server 2012 R2, the necessary prerequisites must first be installed, the easiest way as always is with Powershell: Install-WindowsFeature Web-Server,Web-Mgmt-Tools,Web-Mgmt-Console,Web-WebServer,Web-Common-Http,Web-Default-Doc,Web-Static-Content,Web-Performance,Web-Stat-Compression,Web-Dyn-Compression,Web-Security,Web-Filtering,Web-Windows-Auth,Web-App-Dev,Web-Net-Ext45,Web-Asp-Net45,Web-ISAPI-Ext,Web-ISAPI-Filter,Web-Includes,InkandHandwritingServices,Windows-Identity-Foundation The following packages are also required: .NET Framework 4.5.2 Download Visual C++ Redistributable ... Read more
In addition to Let's Encrypt, WoSign also offers free SAN certificates for Exchange servers, for example. The advantage of WoSign: The certificates are valid for up to 3 years: WoSign is a Chinese CA whose root certificate can be found in all common browsers and operating systems. Take Windows as an example: WoSign certificates are therefore trustworthy on most devices. Since I ... Read more
For Exchange 2010 and Exchange 2013, I had already published articles for Sophos UTM Webserver Protection (WAF) here. However, since Exchange 2016 has now been released and the Sophos UTM is also available in a more up-to-date version, there is another update here. Environment (UTM and Exchange) Exchange Server 2016 CU1 ... Read more
I didn't really warm to the Sophos UTM 9.2 WAF in conjunction with Exchange 2013. In my opinion, there were too many things that didn't work as I expected. But Sophos UTM 9.3 is now available, so it's time for a new test. The environment is almost unchanged: It ... Read more
Currently there seems to be a bug in the Sophos UTM that prevents a TLS connection from being established. The log file of the sender's MTA then contains entries with the message "TLS handshake failed". Here is an example from Clearswift: There is also a message about this in the Sophos forum: https://www.astaro.org/local-language-forums/german-forum/54875-bug-9-210-20-smtp-send-receive.html Apparently ... Read more
Foreword Some time ago, I had already tested some alternatives to Forefront TMG. I had already tested an older version of Sophos UTM. However, version 9.2 is now available, in which the web application firewall (WAF) has been significantly improved according to Sophos. I therefore took a closer look at Sophos UTM. ... Read more
