Skip to Content
sendmail Performance Tuning
book

sendmail Performance Tuning

by Nick Christenson
September 2002
Intermediate to advanced
256 pages
7h 31m
English
Addison-Wesley Professional
Content preview from sendmail Performance Tuning

5.5. SMTP PIPELINING

Starting in version 8.12, sendmail implements support for SMTP PIPELINING. A complete description of this feature appears in RFC 2920 [FRE00]. A brief description will be given here. Basically, PIPELINING allows the sending of multiple SMTP commands without having to wait for a response from the server. Some commands can be sent in this manner, such as the transmission of SMTP envelope information. Some SMTP commands may not be pipelined, such as DATA, QUIT, and NOOP.

Let us consider a sample SMTP conversation without the use of PIPELINING. In the following examples, the client side of the conversation is prefaced with a “C:” and the server side of the conversation is prefaced with an “S:”. Lines preceded by neither an “ ...

Become 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,
and much more.

Read now

Unlock full access

More than 5,000 organizations count on O’Reilly

AirBnbBlueOriginElectronic ArtsHomeDepotNasdaqRakutenTata Consultancy Services

QuotationMarkO’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.
Head of Cybersecurity
QuotationMarkI 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.
Field Engineer
QuotationMarkI’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.
Data Platform Tech Lead
QuotationMarkI'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.
Mark W.
Embedded Software Engineer

You might also like

sendmail 8.13 Companion

sendmail 8.13 Companion

Bryan Costales, George Jansen, Claus Assmann, Gregory Neil Shapiro
Performance Tuning for Linux® Servers

Performance Tuning for Linux® Servers

Sandra K. Johnson, Gerrit Huizenga, Badari Pulavarty
Managing IMAP

Managing IMAP

Dianna Mullet, Kevin Mullet

Publisher Resources

ISBN: 0321115708Purchase book