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Gmail is the email service provided by Google.As of 2019, it had 1.5 billion active users worldwide, making it the largest email service in the world. [1] It also provides a webmail interface, accessible through a web browser, and is also accessible through the official mobile application.
Gmail [1] The public history of Gmail dates back to 2004. Gmail , a free , advertising-supported webmail service with support for Email clients , is a product from Google .
A Google Account is required for Gmail, Google Hangouts, Google Meet and Blogger. Some Google products do not require an account, including Google Search, YouTube, Google Books, Google Finance and Google Maps. However, an account is needed for uploading videos to YouTube and for making edits in Google Maps.
Many current email users do not run MTA, MDA or MUA programs themselves, but use a web-based email platform, such as Gmail or Yahoo! Mail, that performs the same tasks. [61] Such webmail interfaces allow users to access their mail with any standard web browser, from any computer, rather than relying on a local email client.
The format of an email address is local-part@domain, where the local-part may be up to 64 octets long and the domain may have a maximum of 255 octets. [5] The formal definitions are in RFC 5322 (sections 3.2.3 and 3.4.1) and RFC 5321—with a more readable form given in the informational RFC 3696 (written by J. Klensin, the author of RFC 5321) and the associated errata.
Inbox by Gmail scanned the user's incoming Gmail messages for information. It gatherered email messages related to the same overall topic into an organized bundle, with a title describing the bundle's content. For example, flight tickets, car rentals, and hotel reservations were grouped under "Travel", giving the user an easier overview of emails.
Email clients using IMAP generally leave messages on the server until the user explicitly deletes them. This and other characteristics of IMAP operation allow multiple clients to manage the same mailbox. Most email clients support IMAP in addition to Post Office Protocol (POP) to retrieve messages. [6] IMAP offers access to the mail storage.
An outstanding rationale for email authentication is the ability to automate email filtering at receiving servers. That way, spoofed messages can be rejected before they arrive to a user's Inbox. While protocols strive to devise ways to reliably block distrusted mail, security indicators can tag unauthenticated messages that still reach the Inbox.