All courses
Resource hub
Featured resource
Tech Upskilling Playbook 2025
Tech Upskilling Playbook

Build future-ready tech teams and hit key business milestones with seven proven plays from industry leaders.

Learn more
Hamburger Icon
  • Labs icon Lab
  • Cloud
Google Cloud Platform icon
Labs

Configure and Use an SMTP Server for Email Forwarding

Using a system to forward email to another system or for an entire domain is a common use case for SMTP. In this activity, you will get a chance to install and work with SMTP as a forwarding agent in order to better understand the flow of messages between systems.

Get started Contact sales
Google Cloud Platform icon
Labs

Path Info

Level
Clock icon Intermediate
Duration
Clock icon 1h 0m
Last updated
Clock icon Sep 04, 2025

Contact sales

By filling out this form and clicking submit, you acknowledge our privacy policy.

Table of Contents

  1. Challenge

    Install Postfix Client and Server Utilities

    In order to install the packages we need for the SMTP server and client, we need to install postfix, telnet and mailx like so:

    sudo yum install -y mailx telnet postfix

  2. Challenge

    Enable Email Forwarding on Server from Host Name/IP Address

    You will need to use the postconf utility to edit several variables in the /etc/postfix/main.cf configuration file, ther are:

    postconf -e "mydestination = 10.0.1.100, localhost.localdomain, localhost"
postconf -e "mynetworks = 127.0.0.0/8, 10.0.1.0/24"
postconf -e "inet_interfaces = all"
Pluralsight Skills - Labs - Pluralsight
Author
Pluralsight Skills

Pluralsight Skills gives leaders confidence they have the skills needed to execute technology strategy. Technology teams can benchmark expertise across roles, speed up release cycles and build reliable, secure products. By leveraging our expert content, skill assessments and one-of-a-kind analytics, keep up with the pace of change, put the right people on the right projects and boost productivity. It's the most effective path to developing tech skills at scale.

What's a lab?

Hands-on Labs are real environments created by industry experts to help you learn. These environments help you gain knowledge and experience, practice without compromising your system, test without risk, destroy without fear, and let you learn from your mistakes. Hands-on Labs: practice your skills before delivering in the real world.

Provided environment for hands-on practice

We will provide the credentials and environment necessary for you to practice right within your browser.

Guided walkthrough

Follow along with the author’s guided walkthrough and build something new in your provided environment!

Did you know?

On average, you retain 75% more of your learning if you get time for practice.
Ready to get started?
View individual plans View team plans