Knowra Email client Email client An email client is software for composing, sending, receiving, and organizing email messages. It connects to mail services using protocols such as IMAP, POP, and SMTP.
SMTP : The protocol used to submit and relay email between clients and mail servers. Clients use SMTP to hand outgoing messages to a mail server.
Webmail : Email accessed and managed through a web browser rather than a dedicated desktop or mobile application. It provides client functions without installing a conventional email program.
Email : A system for exchanging digital messages over computer networks. An email client is one software component in this wider communication system.
Email service provider : A company or organization that provides email accounts, storage, and mail infrastructure. A provider supplies the service; a client is software used to access it.
IMAP : A protocol for accessing and synchronizing email stored on a remote server. It keeps message state and folders synchronized across multiple client devices.
Microsoft Outlook : Microsoft software for email, calendaring, contacts, and task management. It exemplifies a client that combines email with personal information management.
Mail server : A server that sends, receives, stores, or forwards email messages. Clients depend on mail servers to access mailboxes and deliver outgoing messages.
Email gateway : A system that routes, filters, or transforms email between networks or services. Gateways process mail in transit rather than serving as a person's message interface.
Post Office Protocol : A protocol that retrieves email from a server, often downloading messages to one device. Unlike IMAP, it traditionally centers on downloading rather than ongoing server synchronization.
Mozilla Thunderbird : A free, open-source desktop email client developed by the Mozilla project. Its extensibility and support for multiple accounts illustrate the desktop-client model.
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