Open Source AntiSPAM Appliance: Proxmox Mail Gateway

The Austrian company Proxmox has published the spam filter "Mail Gateway" as open source under the GNU AGPL v3 license. This means that the spam filter can be used free of charge. I've been looking for a SPAM filter for test environments for a while now, so I'm taking a closer look at the Proxmox solution. Here is an overview of the ... Read more

Exchange Autodiscover Whitepaper - Updated version

I have just uploaded an updated version of the "Exchange Autodiscover Whitepaper". Since the behavior of Outlook 2016 in connection with Autodiscover has changed somewhat in November 2017, I have adapted the whitepaper accordingly. Outlook now prefers Autodiscover in conjunction with Office 365, which leads to problems if the user has an Office 365 account. Read more

EUGO: First meeting in the new year

The first meeting of the Exchange User Group OWL (EUGO) in 2018 will take place on March 2, 2018 as usual at the Allegro Habichtshöhe restaurant in Bielefeld. Everyone who is interested in talking shop about current Microsoft technologies and topics in a relaxed atmosphere is cordially invited. We do not have a fixed agenda on the program, as usual we do not want to ... Read more

Exchange Server and Spectre

Microsoft has published an article on Exchange Server and Spectre (speculative execution side-channel). As this is a vulnerability in the processors, Exchange Server is also affected. There are a few things to note. Microsoft writes the following: As these are hardware level attacks targeting x64-based and x86-based processor systems, all supported versions of ... Read more

Visualize Exchange Message Tracking Logs with PowerBI

The Exchange Message Tracking Logs are not only helpful to analyze MailFlow problems, but are also great for generating statistics. My script "Exchange Reporter" uses the message tracking logs to generate some statistics on received/sent mails. The Message Tracking GUI is also based on the Message Tracking Logs. The Exchange Reporter ... Read more

Exchange 2016: EventID 1006 - Event Dispatchers Catching Up

On Exchange 2016 servers, the following event is sometimes written to the application log every 30 minutes Source: MSExchangeDiagnostics Event ID: 1006 The performance counter '\\EXCHANGE\MSExchange Assistants - Per Database(msexchangemailboxassistants-fwdb)\Event Dispatchers Catching Up' sustained a value of '2.730,00', for the '30' minute(s) interval starting at '10.01.2018 19:39:00'. Threshold breached since '25.12.2017 21:09'. None Trigger Name:EventDispatchersCatchupQueueTrigger. Instance:msexchangemailboxassistants-fwdb This ... Read more

Exchange 2019: Assumptions about the new version

Microsoft announced the new Exchange version at Ignite 2017. Exchange Server 2019 is due to be released as a preview in mid-2018 and will be available as an RTM in the second half of the year. I am therefore already looking forward to being able to write new articles on Exchange 2019 this year. The year should therefore be quite exciting, because even ... Read more

Exchange 2013: Stumbling block when updating an old version to the current CU

In an earlier article, I had already pointed out that it is important to consider the NET dependencies of Exchange. In theory, all Exchange updates are cumulative, i.e. the current CU contains the complete installation files as well as all previous patches. The CU can therefore be used to perform a new installation or to update an existing installation. In ... Read more

Happy New Year!

Another year has passed and I would like to wish all visitors and readers of FrankysWeb a happy and above all healthy new year. It feels like the years are passing by faster and faster, so it makes sense to take a look back. The number of visitors increased again in 2017, and I didn't actually expect ... Read more