How to use automatic mail deleting option in Gmail

Gmail is known to many people to know the use of the feature. Let us know how to set Automatic Self Destruct after reaching the mail receiver reach, i.e. Delete it automatically after a certain day, and how it was set. First go to your Gmail account and then give the Compose mail to whom you will send the mail and then the Address Type will be the subject and then the Content you will send the message will be Send option at the bottom then there will be a logo in the order of the logo. box one is open. In that Set Expiration there will be from 1 Day to 5 years to select as you see fit, then there is an option to Require Passcode option select No sms Passcode Save and then send the mail to the mail address you sent mail will be deleted after a certain period of time By itself