How to Backup/Clear/Restore a SpamAssassin Bayes Database

SpamAssassin Bayes Database

Sometimes you might have to work with the Spamassin Bayes Token database. This is the database that is used by the SpamAssassin Self Learning (Bayesian) Classifier to store the ham and spam tokens. This tutorial will show you how to make a backup of that database. E.g. when you want to move it to a ... Read more

How to Change the Wallpaper Based on Time of the Day in Windows 10

Windows Wallpaper Changer

Windows 10 presents you with a huge number of beautiful and fascinating wallpapers that make your environment look more catchy and attractive. On the same side, it also lets you customize the appearance of these wallpapers based upon your own choice. You can have your wallpaper changed with the alternation of day and night. In ... Read more

How to Install the Same Printer Twice with Different Settings in Windows 10

Install Windows Printer Twice

Have you ever thought of having the same hardware device installed on your computer system twice with different settings? Well, this surely sounds very surprising. However, Windows 10 has the ability to do this magic for you. You can have the very same printer having the same port and the same driver installed twice on ... Read more

How to solve Windows Update problems with DISM and sfc

Solve Windows Update Problems

For some time now there have been frequent problems with Windows updates, besides the possibility to uninstall the defective update, there is also the possibility to help yourself with the following command Open the Power Shell with Administrator privileges and enter the following. DISM /online /Cleanup-Image /RestoreHealth This may take some time after successful completion ... Read more

How to enable DKIM email signatures in amavisd-new and ISPConfig 3.0

NOTE: This post is about ISPConfig 3.0 and not 3.1 and newer. ISPConfig 3.1 and newer has DKIM support builtin, you can simply enable DKIM in ISPConfig 3.1 GUI now for the mail domain. DKIM is a system to verify the sender and integrity of emails. ISPConfig 3 uses amavisd-new as content filter for spam ... Read more