Question

E-mail is sent and received in a _____​

Answer 1

Explanation:

The moment an email is sent, a message is routed from server to server via the Simple Mail Transfer Protocol until it makes its way to from the client to the email recipients email server. ... The email gets sent first to an outgoing mail server (SMTP) whose job, just like that of the post office, is to transport emails.

Answer 2

Explanation:

Sending and receiving mail

To send Internet e-mail, requires an Internet connection and access to a mail server. The standard protocol used for sending Internet e-mail is called SMTP (Simple Mail Transfer Protocol). The SMTP protocol is used to both send and receive email messages over the Internet.