How To Install srs on Ubuntu 20.04
Introduction
In this tutorial we learn how to install srs
on Ubuntu 20.04.
What is srs
srs is:
The Sender Rewriting Scheme preserves .forward functionality in an SPF-compliant world.
SPF requires the SMTP client IP to match the envelope sender (return-path). When a message is forwarded through an intermediate server, that intermediate server may need to rewrite the return-path to remain SPF compliant. If the message bounces, that intermediate server needs to validate the bounce and forward the bounce to the original sender.
This package contains the srs client that can be used in your .forward files.
There are three methods to install srs
on Ubuntu 20.04. We can use apt-get
, apt
and aptitude
. In the following sections we will describe each method. You can choose one of them.
Install srs Using apt-get
Update apt database with apt-get
using the following command.
sudo apt-get update
After updating apt database, We can install srs
using apt-get
by running the following command:
sudo apt-get -y install srs
Install srs Using apt
Update apt database with apt
using the following command.
sudo apt update
After updating apt database, We can install srs
using apt
by running the following command:
sudo apt -y install srs
Install srs Using aptitude
If you want to follow this method, you might need to install aptitude first since aptitude is usually not installed by default on Ubuntu. Update apt database with aptitude
using the following command.
sudo aptitude update
After updating apt database, We can install srs
using aptitude
by running the following command:
sudo aptitude -y install srs
How To Uninstall srs on Ubuntu 20.04
To uninstall only the srs
package we can use the following command:
sudo apt-get remove srs
Uninstall srs And Its Dependencies
To uninstall srs
and its dependencies that are no longer needed by Ubuntu 20.04, we can use the command below:
sudo apt-get -y autoremove srs
Remove srs Configurations and Data
To remove srs
configuration and data from Ubuntu 20.04 we can use the following command:
sudo apt-get -y purge srs
Remove srs configuration, data, and all of its dependencies
We can use the following command to remove srs
configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge srs
References
Summary
In this tutorial we learn how to install srs
package on Ubuntu 20.04 using different package management tools: apt
, apt-get
and aptitude
.