Firefox enables DNS over HTTPS or DoH
Firefox just started rolling out DNS Over HTTPS (DoH) feature which will further improve security for Firefox users. DNS over HTTP (DoH) is a rather young protocol that was implemented only two years ago....
Google recommends switching to Chrome to use extensions securely
Now that Microsoft’s new browser has finally been released, the battle for the most popular Web browser continues. Microsoft Edge offers similar user experience as the Chrome browser as it uses the same Chromium...
Windows Update causes User Files to disappear
Microsoft has just released more Windows 10 updates that cause even more headaches for its customers. Because it came with several major bugs Microsoft has withdrawn the update KB4532693. Several users reported that this...
550 5.4.1 Recipient address rejected: Access denied – O365 Exchange
As we started migrating users to O365 Exchange we have run into a problem for one user. When we tried to send this user an e-mail outside of O365 tenant we receive the following...
