What is Email Reader (Mail Client) ?

What is Email Reader (Mail Client) ?
Mail Client; It means e-mail reader. This system is a program that allows you to receive or send e-mail. It is a program that allows you to access, send and prepare your e-mails without any problems with different protocols such as POP, IMAP, HTTP. To give an example, we can give Microsoft Outlook.

An e-mail reader is a desktop application that allows to configure one or more e-mail addresses to receive, read, compose and send e-mails from these e-mail addresses via the desktop interface. It provides a central interface for receiving, composing and sending e-mails of configured e-mail addresses. Also known as email client, email reader or mail user agent