How To Install smtpprox-loopprevent on Ubuntu 18.04
Introduction
In this tutorial we learn how to install smtpprox-loopprevent on Ubuntu 18.04.
What is smtpprox-loopprevent
smtpprox-loopprevent is:
smtpprox-loopprevent is a transparent SMTP proxy which rejects a message if any of the recipient addresses match a Delivered-To header.
It was written to be used as a Postfix before-queue filter.
There are three methods to install smtpprox-loopprevent on Ubuntu 18.04. We can use apt-get, apt and aptitude. In the following sections we will describe each method. You can choose one of them.
Install smtpprox-loopprevent Using apt-get
Update apt database with apt-get using the following command.
sudo apt-get update
After updating apt database, We can install smtpprox-loopprevent using apt-get by running the following command:
sudo apt-get -y install smtpprox-loopprevent
Install smtpprox-loopprevent Using apt
Update apt database with apt using the following command.
sudo apt update
After updating apt database, We can install smtpprox-loopprevent using apt by running the following command:
sudo apt -y install smtpprox-loopprevent
Install smtpprox-loopprevent 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 smtpprox-loopprevent using aptitude by running the following command:
sudo aptitude -y install smtpprox-loopprevent
How To Uninstall smtpprox-loopprevent on Ubuntu 18.04
To uninstall only the smtpprox-loopprevent package we can use the following command:
sudo apt-get remove smtpprox-loopprevent
Uninstall smtpprox-loopprevent And Its Dependencies
To uninstall smtpprox-loopprevent and its dependencies that are no longer needed by Ubuntu 18.04, we can use the command below:
sudo apt-get -y autoremove smtpprox-loopprevent
Remove smtpprox-loopprevent Configurations and Data
To remove smtpprox-loopprevent configuration and data from Ubuntu 18.04 we can use the following command:
sudo apt-get -y purge smtpprox-loopprevent
Remove smtpprox-loopprevent configuration, data, and all of its dependencies
We can use the following command to remove smtpprox-loopprevent configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge smtpprox-loopprevent
References
Summary
In this tutorial we learn how to install smtpprox-loopprevent package on Ubuntu 18.04 using different package management tools: apt, apt-get and aptitude.