May 2001
Intermediate to advanced
1088 pages
30h 13m
English
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The Simple Mail Transport Protocol
The Simple Mail Transport Protocol (SMTP) has been around in one form or another for 20 years. The original mail transfer protocol was defined in September of 1980 (RFC 772), although the current version of the protocol wasn't published until RFC 821 came out in August of 1982. Since then, the protocol has remained the same. Some servers might not support some functions, but SMTP is still the email workhorse for the Internet.
Like many of the common Internet protocols, SMTP is text based and uses TCP, so you can use the telnet command to create an SMTP session. The SMTP server usually runs on port 25. Keep in mind, of course, that if you're running Windows, you probably don't have an SMTP server on your local ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
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.