Smtp

2352
SMTP
SMTP

SMTP, defined in RFC 5321, is at the heart of Internet electronic mail. As mentioned above, SMTP transfers messages from senders mail servers to the recipients mail servers. SMTP is much older than HTTP. (The original SMTP RFC dates back to 1982, and SMTP was around long

Tags smtp, http, tcp connection, mail server
1251
Comparison with HTTP / MaiI Message Formats
Comparison with HTTP / MaiI Message Formats

Let's now compare SMTP with HTTP in brief. Both protocols are used to transfer files from one host to another: HTTP transfers files (also called objects) from a Web server to a Web client (typically a browser); SMTP transfers files (that is, e-mail messages) from one mail server

Tags pull protocol, push protocol, peripheral information, http, smtp, mail server
2366
Mail Access Protocols
Mail Access Protocols

Once SMTP delivers the message from Alice's mail server to Bob's mail server, the message is placed in Bob's mailbox. Throughout this discussion we have tacitly assumed that Bob reads his mail by logging onto the server host and then executing a mail reader that runs on

Tags mail server, smtp, http protocol, imap protocol
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