How to bulk delete thousands of emails from my inbox? How to bulk unsubscribe from various web sites?

Thousands of emails clogging my inbox. It takes a hell of a lot of time to individually delete each and every unwanted email. Hence this requires immediate desperate answer.|||Use an email client and POPFile. That way most of the spam ends up in a single folder and you can just elete everything in that folder. (Webmail makes doing anything difficult.)|||get a new email id.