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Course Information

Introduction to Postfix Training​ Course Outline

Introduction to Postfix

  • Postfix Origins
  • Email and the Internet
  • Postfix Role
  • Postfix Security
  • Prerequisites for Unix and Email

Overview of Postfix Architecture

  • Components of Postfix
  • Postfix Queue
  • Mail Delivery
  • Trace Message via Postfix

Configuration and Administration

  • Configuration Files
  • Administration
  • Receiving Limits and Rewriting Addresses
  • chroot

Working with Queue Management

Introduction to Email and DNS

  • What is DNS?
  • Email Routing Basics
  • Postfix and DNS

Local Delivery and POP/IMAP

  • Postfix Delivery Transports
  • Message Store Formats
  • Basics of Local Delivery
  • POP and IMAP
  • Local Mail Transfer Protocol

Hosting Multiple Domains

  • Shared Domains with System Accounts
  • Separate Domains with System and Virtual Accounts
  • Separate Message Store

Exploring Mail Relaying

  • Backup MX
  • Transport Maps
  • Inbound Mail Gateway and Outbound Mail Relay
  • UUCP and Fax

Simple Mailing Lists and Mailing-List Managers

Blocking Unsolicited Bulk Email

Overview of SASL Authentication

  • Postfix and SASL
  • Configuring Postfix for SASL
  • Testing Authentication Configuration
  • SMTP Client Authentication

Transport Layer Security and Content Filtering

Working with External Databases

  • MySQL
  • LDAP

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There are no formal prerequisites to attend this course.


Anyone interested in learning about the Postfix and its working can attend this course.

Introduction to Postfix Training​ Course Overview

Postfix is a mail transfer agent (MTA) that mail servers use to route email. It has been adopted as the default MTA on Mac OS X. Postfix is also compatible with sendmail helping the existing programs and scripts to work continuously. This Introduction to Postfix Training course is designed to provide knowledge about the basic installation and configuration.

In this Introduction to Postfix Training, delegates will learn how to configure and administer files and trace message through Postfix. Delegates will also get an understanding of the Postfix queue and mail delivery. In addition, delegates will learn how to receive limits and rewrite addresses.

During this 1-day training course, delegates will gain knowledge of queue management, DNS, and email. Delegates will become familiarised with simple mailing lists and mailing-list managers. Post completion of this training, delegates will be able to configure Postfix for SASL and transport layer security and content filtering.

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  • Delegate pack consisting of course notes and exercises
  • Manual
  • Experienced Instructor

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Why choose us

Ways to take this course

Our easy to use Virtual platform allows you to sit the course from home with a live instructor. You will follow the same schedule as the classroom course, and will be able to interact with the trainer and other delegates.

Our fully interactive online training platform is compatible across all devices and can be accessed from anywhere, at any time. All our online courses come with a standard 90 days access that can be extended upon request. Our expert trainers are constantly on hand to help you with any questions which may arise.

This is our most popular style of learning. We run courses in 1200 locations, across 200 countries in one of our hand-picked training venues, providing the all important ‘human touch’ which may be missed in other learning styles.


Highly experienced trainers

All our trainers are highly qualified, have 10+ years of real-world experience and will provide you with an engaging learning experience.


State of the art training venues

We only use the highest standard of learning facilities to make sure your experience is as comfortable and distraction-free as possible


Small class sizes

We limit our class sizes to promote better discussion and ensuring everyone has a personalized experience


Great value for money

Get more bang for your buck! If you find your chosen course cheaper elsewhere, we’ll match it!

This is the same great training as our classroom learning but carried out at your own business premises. This is the perfect option for larger scale training requirements and means less time away from the office.


Tailored learning experience

Our courses can be adapted to meet your individual project or business requirements regardless of scope.


Maximise your training budget

Cut unnecessary costs and focus your entire budget on what really matters, the training.


Team building opportunity

This gives your team a great opportunity to come together, bond, and discuss, which you may not get in a standard classroom setting.


Monitor employees progress

Keep track of your employees’ progression and performance in your own workspace.

What our customers are saying

Frequently asked questions


Please arrive at the venue at 8:45am.
There are no formal prerequisites to attend this course.
Anyone interested in learning about the Postfix and its working can attend this course.
We are able to provide support via phone & email prior to attending, during and after the course.
Delegate pack consisting of course notes and exercises, Manual, Experienced Instructor, and Refreshments
This course is 1 day.
Once your booking has been placed and confirmed, you will receive an email which contains your course location, course overview, pre-course reading material (if required), course agenda and payment receipts
The price for Introduction to Postfix Training certification in the United Kingdom starts from £1795
The Knowledge Academy is the Leading global training provider in the world for Introduction to Postfix Training.

Why choose us


Best price in the industry

You won't find better value in the marketplace. If you do find a lower price, we will beat it.


Many delivery methods

Flexible delivery methods are available depending on your learning style.


High quality resources

Resources are included for a comprehensive learning experience.

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"Really good course and well organised. Trainer was great with a sense of humour - his experience allowed a free flowing course, structured to help you gain as much information & relevant experience whilst helping prepare you for the exam"

Joshua Davies, Thames Water

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