How To Install greylistd on Ubuntu 22.04
Introduction
In this tutorial we learn how to install greylistd on Ubuntu 22.04.
What is greylistd
greylistd is:
This daemon provides a simple greylisting implementation for use with the Exim Mail Transport Agent (MTA), version 4.
Once installed, you will need to configure your MTA to query the greylistd server. This package contains a script to automatically configure Exim 4. It may be possible to use greylistd with other MTAs as well. Postfix users may want to check out the “postgrey” package instead of this one.
There are three methods to install greylistd on Ubuntu 22.04. We can use apt-get, apt and aptitude. In the following sections we will describe each method. You can choose one of them.
Install greylistd Using apt-get
Update apt database with apt-get using the following command.
sudo apt-get update
After updating apt database, We can install greylistd using apt-get by running the following command:
sudo apt-get -y install greylistd
Install greylistd Using apt
Update apt database with apt using the following command.
sudo apt update
After updating apt database, We can install greylistd using apt by running the following command:
sudo apt -y install greylistd
Install greylistd 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 greylistd using aptitude by running the following command:
sudo aptitude -y install greylistd
How To Uninstall greylistd on Ubuntu 22.04
To uninstall only the greylistd package we can use the following command:
sudo apt-get remove greylistd
Uninstall greylistd And Its Dependencies
To uninstall greylistd and its dependencies that are no longer needed by Ubuntu 22.04, we can use the command below:
sudo apt-get -y autoremove greylistd
Remove greylistd Configurations and Data
To remove greylistd configuration and data from Ubuntu 22.04 we can use the following command:
sudo apt-get -y purge greylistd
Remove greylistd configuration, data, and all of its dependencies
We can use the following command to remove greylistd configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge greylistd
References
Summary
In this tutorial we learn how to install greylistd package on Ubuntu 22.04 using different package management tools: apt, apt-get and aptitude.
