How To Install libspf2 on CentOS 7
Introduction
In this tutorial we learn how to install libspf2 on CentOS 7.
What is libspf2
libspf2 is an implementation of the SPF (Sender Policy Framework) specification as found at http SPF allows email systems to check SPF DNS records and make sure that an email is authorized by the administrator of the domain name that it is coming from. This prevents email forgery, commonly used by spammers, scammers, and email viruses/worms. A lot of effort has been put into making it secure by design, and a great deal of effort has been put into the regression tests.
We can use yum or dnf to install libspf2 on CentOS 7. In this tutorial we discuss both methods but you only need to choose one of method to install libspf2.
Install libspf2 on CentOS 7 Using yum
Update yum database with yum using the following command.
sudo yum makecache
After updating yum database, We can install libspf2 using yum by running the following command:
sudo yum -y install libspf2
Install libspf2 on CentOS 7 Using dnf
If you don’t have dnf installed you can install DNF on CentOS 7 first.
Update yum database with dnf using the following command.
sudo dnf makecache
After updating yum database, We can install libspf2 using dnf by running the following command:
sudo dnf -y install libspf2
How To Uninstall libspf2 on CentOS 7
To uninstall only the libspf2 package we can use the following command:
sudo dnf remove libspf2
References
Summary
In this tutorial we learn how to install libspf2 on CentOS 7 using yum and dnf.
