- Lab
- A Cloud Guru
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.
Path Info
Table of Contents
-
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
-
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"
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.