How to Check Whether an AI Answer Is True: A Practical Verification Guide
Learn how to verify AI answers, citations, commands, dates, and technical claims using primary sources, independent confirmation, and safe testing ... Read More
In our previous article we discussed enforced TLS with Exchange. More precisely with on-premises Exchange servers. We established that Exchange uses opportunistic TLS, meaning it prefers encryption but it is not enforced if the other party only supports plain SMTP ... Read More
Most of the time administrators manage distribution group memberships. But it is absolutely possible for selected users to add/remove group members as needed, using simply their Outlook client. Before You Begin - Enabling MyDistributionGroupManagement
In our example a user called ... Read More
In our example a user called ... Read More
This guide is for on-premises Exchange deployments. If you are interested in enforced TLS on Office365 tenants, please click HERE Opportunistic Exchange - like most modern email systems - has the facility to transfer email messages encrypted. It is to ... Read More
UNIX type systems use the octal file permission model, that is limited in terms of setting access permissions for specific users and groups. By default there are only three attributes to be set on files and directories: for the owner, ... Read More
Exchange - like most of the other email systems - limits the maximum size of incoming and outgoing messages. There are three layers where these limits can be set: system-wide, on the send- and receive connectors and on individual mailboxes ... Read More
Huge Logs Sometimes the Exchange server runs out of space. As it happens often, the transaction log files use up all the free space, causing the transport service to stop as there is no more room to write messages to ... Read More
Quick Cleanup List When disk is almost full there here is a quick list I usually go through to recover some free space:
- Delete files from c:\windows\temp
- Download and run TreeSize to see what uses up ... Read More
Custom commands John needs to access Exchange PowerShell a lot. He's tired of logging in the actual Exchange server all the time, he prefers to use his local computer to run cmdlets and manage mailboxes. He created a script, called ... Read More
Installation In Exchange Online DKIM is a built-in service, but on an on-prem Exchange 2019 deployment we need a 3rd party application to add this functionality to our Exchange infrastructure. In this guide we use Stefan Profanter's excellent dkim-exchange application ... Read More
Spam messages have become a huge issue. They are both annoying, flooding our mailboxes with unneeded content and they are a security risk too, as many of them contain links to malicious websites or even viruses. To fight spamming SPF, ... Read More
