Gmail: How to Block Spam Emails, Delete Emails in Bulk, Unsubscribe?

Getting frustrated over a clogged Gmail inbox due to bulk spam emails? Don’t worry we all are. Spam emails always arrive in bulk, they block the inbox and acquire a large space and even make us miss an important email conversation. Furthermore, in the worst-case scenario, they make you a victim of phishing and potentially steal your sensitive information. So, now if you are thinking of deleting them one by one, then please note that a person receives 4-5 spam emails daily. And there will be hundreds of them now.