Introduction
In this tutorial we learn how to install postfix-mta-sts-resolver on Kali Linux.
What is postfix-mta-sts-resolver
postfix-mta-sts-resolver is:
postfix-mta-sts-resolver provides a lookup daemon and command line query
utility for MTA-STS policies (RFC 8461). The daemon provides TLS client
policy to Postfix via socketmap.
There are three methods to install postfix-mta-sts-resolver on Kali Linux. We can use apt-get, apt and aptitude. In the following sections we will describe each method. You can choose one of them.
Install postfix-mta-sts-resolver Using apt-get
Update apt database with apt-get using the following command.
sudo apt-get updateAfter updating apt database, We can install postfix-mta-sts-resolver using apt-get by running the following command:
sudo apt-get -y install postfix-mta-sts-resolverInstall postfix-mta-sts-resolver Using apt
Update apt database with apt using the following command.
sudo apt update
After updating apt database, We can install postfix-mta-sts-resolver using apt by running the following command:
sudo apt -y install postfix-mta-sts-resolverInstall postfix-mta-sts-resolver Using aptitude
If you want to follow this method, you might need to install aptitude on Kali Linux first since aptitude is usually not installed by default on Kali Linux. Update apt database with aptitude using the following command.
sudo aptitude updateAfter updating apt database, We can install postfix-mta-sts-resolver using aptitude by running the following command:
sudo aptitude -y install postfix-mta-sts-resolver
How To Uninstall postfix-mta-sts-resolver on Kali Linux
To uninstall only the postfix-mta-sts-resolver package we can use the following command:
sudo apt-get remove postfix-mta-sts-resolver
Uninstall postfix-mta-sts-resolver And Its Dependencies
To uninstall postfix-mta-sts-resolver and its dependencies that are no longer needed by Kali Linux, we can use the command below:
sudo apt-get -y autoremove postfix-mta-sts-resolver
Remove postfix-mta-sts-resolver Configurations and Data
To remove postfix-mta-sts-resolver configuration and data from Kali Linux we can use the following command:
sudo apt-get -y purge postfix-mta-sts-resolver
Remove postfix-mta-sts-resolver configuration, data, and all of its dependencies
We can use the following command to remove postfix-mta-sts-resolver configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge postfix-mta-sts-resolver
Dependencies
postfix-mta-sts-resolver have the following dependencies:
References
Summary
In this tutorial we learn how to install postfix-mta-sts-resolver package on Kali Linux using different package management tools: apt, apt-get and aptitude.
