August 2014
Intermediate to advanced
388 pages
14h 1m
English
Content preview from Foundations of Python Network Programming, Third EditionBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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CHAPTER 13
SMTP
As outlined at the beginning of Chapter 12, the actual movement of e-mail between systems is accomplished through SMTP, the Simple Mail Transport Protocol. It was first defined in 1982 in RFC 821; the most recent RFC defining of SMTP is RFC 5321. The protocol typically serves two roles:
- When a user types an e-mail message on a laptop or desktop machine, the e-mail client uses SMTP to submit the e-mail to a server that can send it along to its destination.
- E-mail servers themselves use SMTP to deliver messages, sending each message across the Internet from one server to another until it reaches the server in charge of the recipient’s ...
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.