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.
After updating yum database, We can install libspf2
using yum
by running the following command:
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.
After updating yum database, We can install libspf2
using dnf
by running the following command:
How To Uninstall libspf2 on CentOS 7
To uninstall only the libspf2
package we can use the following command:
References
Summary
In this tutorial we learn how to install libspf2
on CentOS 7 using yum
and dnf
.