How To Install milter-greylist on CentOS 7
Introduction
In this tutorial we learn how to install milter-greylist on CentOS 7.
What is milter-greylist
Greylisting is a new method of blocking significant amounts of spam at the mailserver level, but without resorting to heavyweight statistical analysis or other heuristical (and error-prone) approaches. Consequently, implementations are fairly lightweight, and may even decrease network traffic and processor load on your mailserver. This package provides a greylist filter for sendmail’s milter API.
We can use yum or dnf to install milter-greylist on CentOS 7. In this tutorial we discuss both methods but you only need to choose one of method to install milter-greylist.
Install milter-greylist on CentOS 7 Using yum
Update yum database with yum using the following command.
sudo yum makecache
After updating yum database, We can install milter-greylist using yum by running the following command:
sudo yum -y install milter-greylist
Install milter-greylist 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 milter-greylist using dnf by running the following command:
sudo dnf -y install milter-greylist
How To Uninstall milter-greylist on CentOS 7
To uninstall only the milter-greylist package we can use the following command:
sudo dnf remove milter-greylist
References
Summary
In this tutorial we learn how to install milter-greylist on CentOS 7 using yum and dnf.
