How To Install spfquery on Debian 10
Introduction
In this tutorial we learn how to install spfquery on Debian 10.
What is spfquery
spfquery is:
The Sender Policy Framework (SPF) is one part of the SPF/SRS protocol pair. SPF allows email systems such as Sendmail, Postfix, Exim, Zmailer and MS Exchange to check SPF records and make sure that the email is authorized by the domain name that it is coming from. This prevents email forgery, commonly used by spammers, scammers and email viruses/worms.
This package contains simple utilities that use libspf2 to test and query SPF records.
There are three methods to install spfquery on Debian 10. We can use apt-get, apt and aptitude. In the following sections we will describe each method. You can choose one of them.
Install spfquery Using apt-get
Update apt database with apt-get using the following command.
sudo apt-get update
After updating apt database, We can install spfquery using apt-get by running the following command:
sudo apt-get -y install spfquery
Install spfquery Using apt
Update apt database with apt using the following command.
sudo apt update
After updating apt database, We can install spfquery using apt by running the following command:
sudo apt -y install spfquery
Install spfquery 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 Debian. Update apt database with aptitude using the following command.
sudo aptitude update
After updating apt database, We can install spfquery using aptitude by running the following command:
sudo aptitude -y install spfquery
How To Uninstall spfquery on Debian 10
To uninstall only the spfquery package we can use the following command:
sudo apt-get remove spfquery
Uninstall spfquery And Its Dependencies
To uninstall spfquery and its dependencies that are no longer needed by Debian 10, we can use the command below:
sudo apt-get -y autoremove spfquery
Remove spfquery Configurations and Data
To remove spfquery configuration and data from Debian 10 we can use the following command:
sudo apt-get -y purge spfquery
Remove spfquery configuration, data, and all of its dependencies
We can use the following command to remove spfquery configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge spfquery
Dependencies
spfquery have the following dependencies:
References
Summary
In this tutorial we learn how to install spfquery package on Debian 10 using different package management tools: apt, apt-get and aptitude.