It is accessible via a web browser (webmail), mobile app, or through third-party email clients via the POP and IMAP protocols. Users can also connect non-Gmail e-mail accounts to their Gmail inbox. The service was launched as Google Mail in a beta version in 2004. It came out of beta in 2009.
Gmail is an e-mail service that is offered by Google. Gmail is short for Google Mail. In addition to a free version, Gmail also offers a paid version as part of the Google Apps for Business plan.