How To Install couriergrey on Ubuntu 20.04
Introduction
In this tutorial we learn how to install couriergrey on Ubuntu 20.04.
What is couriergrey
couriergrey is:
Couriergrey implements the mail filter interface of Courier MTA to support the greylist filtering method.
The software supports the IPv6 protocol, and is easy to use.
There are three methods to install couriergrey 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 couriergrey Using apt-get
Update apt database with apt-get using the following command.
sudo apt-get update
After updating apt database, We can install couriergrey using apt-get by running the following command:
sudo apt-get -y install couriergrey
Install couriergrey Using apt
Update apt database with apt using the following command.
sudo apt update
After updating apt database, We can install couriergrey using apt by running the following command:
sudo apt -y install couriergrey
Install couriergrey 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 couriergrey using aptitude by running the following command:
sudo aptitude -y install couriergrey
How To Uninstall couriergrey on Ubuntu 20.04
To uninstall only the couriergrey package we can use the following command:
sudo apt-get remove couriergrey
Uninstall couriergrey And Its Dependencies
To uninstall couriergrey and its dependencies that are no longer needed by Ubuntu 20.04, we can use the command below:
sudo apt-get -y autoremove couriergrey
Remove couriergrey Configurations and Data
To remove couriergrey configuration and data from Ubuntu 20.04 we can use the following command:
sudo apt-get -y purge couriergrey
Remove couriergrey configuration, data, and all of its dependencies
We can use the following command to remove couriergrey configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge couriergrey
References
Summary
In this tutorial we learn how to install couriergrey package on Ubuntu 20.04 using different package management tools: apt, apt-get and aptitude.
