The Gmail or Google Mail is a free email service introduced by Google. It allows sending and receiving mails over the Internet.
We can also send an email to multiple users at a time. The Gmail site is a type of Webmail.
We can access the Gmail from Web and as an application in Mobile devices. We can also use the third-party program to access the Gmail. Such programs synchronize the email content through the protocols IMAP (Internet Message Access Protocol) or POP (Post Office Protocol).