Hackers hijack mail accounts to send spam unnoticed under someone else’s name. But the intruders leave traces, and there are also ways to get rid of them again.
Now your alarm bells should be ringing, as it’s possible that your mail account has been hacked. A Trojan virus that spied out the access data to your account and sent it to a criminal hacker via the Internet or a hardware keylogger on the USB port that records your keystrokes and mouse movements may be responsible.