Gmail is a free email service provided by Google. In many ways, Gmail is like any other email service: You can send and receive emails, block spam, create an address book, and perform other basic email tasks. But it also has some more unique features that help make it one of the most popular online email services.
Sidebar in Gmail
Creating Labels in Gmail
Snooze in Gmail
Scheduling Emails in Gmail
Labelling and Starring Emails
Creating Email Signature