The Relays first accept the emails a user sends and then ensure they are sent to the right account before sending them to the Receivers. In this case, there are actually two types of servers: Receivers and Relays. SMTP is the most popular way to send emails to the server. Afterward, the copies are deleted and the local system and server are disconnected. If everything checks out, it saves and downloads all of the new emails stored on the server and sends them to the local system. The email client then provides the login credentials, which get authorized by the server. That user is actually making a connection to the POP3 server. It does not require a strong internet connection, which makes it widely accessible. POP3 is the most popular way to access your inbox. While there are several email protocols, we are only focusing on two: POP3 and SMTP. That’s why email platforms support email protocols to ensure they can receive and send emails across different platforms and networks.
Without these protocols, sending emails across platforms would not be possible, which would mean Gmail users would only be able to send emails to other Gmail users and so on. Why Should I Connect My Mailbox to Another Platform? What Are Email Protocols?Īn email protocol is a set of rules that ensures that emails can be sent from one server to another in a standard manner.
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