Readjusting the clock fixes the problem for his current session, but every time he reboots, the clock automatically readjusts itself based on the time zone setting.

So if your computer’s clock is in the past, it may think that every message it receives is spam. Many standalone devices also have a built-in clock, which are frequently wrong as well.

At the heart of all computers is a clock, a dedicated timepiece ensuring that all of the parts of the computer are synchronized and can work together to execute the instructions that the computer ...