IONOS discontinues Smarthost function as of 15.01.2024

I am currently receiving a lot of inquiries about Exchange Server and sending emails via IONOS. As of January 15, 2024, IONOS will discontinue the smarthost function for IONOS mailboxes, which in turn means that Exchange servers can no longer use IONOS as a smarthost. Further information from IONOS can be found here: Apparently, there are quite a lot of people who are affected by this ... Read more

Exchange security updates (November 2023)

Microsoft has released new security updates for Exchange Server 2016 and 2019. The updates fix the following vulnerabilities, which are all marked as "Important": Click here to download the updates directly: With the November security updates, the "Certificate signing of PowerShell serialization payload" feature is enabled by default. Before installing the November update ... Read more

Exchange Online security incident spreads

On July 14, 2023, Microsoft reported a security incident that affected Exchange Online and Outlook.com customers. According to Microsoft, the Chinese hacker group Storm-0558 managed to get their hands on a private SIgnature key for generating access tokens for Exchange Online and Outlook.com. With the private key, the hackers were able to generate access tokens for ... Read more

Exchange Updates page

From now on you will find an overview of the current Exchange versions, updates and support periods here. As soon as new Exchange updates are released, I will try to update the page promptly. This will give you quick access to the latest download links. Of course there will still be an article about available updates, the new page is intended to ... Read more

Exchange Reporter 3.12 released

I have just uploaded version 3.12 of the Exchange Reporter. The new version fixes 3 small bugs: The current version can be downloaded here: If you find any problems, please use the following form to report them. You can also use the form to send feature requests or other suggestions: I am currently working on the Exchange ... Read more

Happy New Year!

I wish all visitors, readers, supporters and friends a happy and healthy new year, may all your good intentions and wishes come true in the new year. As every year, I would like to take this opportunity to look back on the past year. Visitor numbers fell slightly in 2022. There were just under 2.1 million visitors in 2022, ... Read more

Merry Christmas

I wish all friends, readers and supporters a merry and peaceful Christmas, take care of yourselves and stay healthy. I wish all admins who are looking after the well-being of the systems during or between the holidays every success. Take a few days off as soon as possible and treat yourselves and your loved ones to something nice. ... Read more

Backup MX and POP3 - Why some configurations are not good

In this article I try to explain why you should avoid some special Backup MX configurations. The configuration of a Backup MX at the provider or hoster is outdated and should no longer be used. Backup MX at the provider I have often come across the configuration with a Backup MX entry for the provider. The MX entries ... Read more

Suggest / request new contributions

Here you now have the opportunity to suggest a topic for a new article. So if you have a question about a specific topic related to Exchange or Active Directory, or simply want to know how function XY works and can be used, then you are welcome to submit a suggestion for a new post. A suggestion should ... Read more