Everything Practical

This is a Windows horror story from almost 8 years ago. My friend was running Windows 98 at the time, and she’s using outlook express to handle her emails. Then one night she called me out of panic, she couldn’t seem to see any of her emails, I tried to troubleshoot remotely to no avail, [...]

The principle of greylisting is simple and elegant, because most spams are fire and forget, meaning that spammers send a batch of spams once and never look back, and this behavior is necessary for spammers, if the spams behave like legitimate emails it will be easy to identify the source and block the spams.