How To Install sendmail on CentOS 7
Introduction
In this tutorial we learn how to install sendmail on CentOS 7.
What is sendmail
The Sendmail program is a very widely used Mail Transport Agent (MTA). MTAs send mail from one machine to another. Sendmail is not a client program, which you use to read your email. Sendmail is a behind-the-scenes program which actually moves your email over networks or the Internet to where you want it to go. If you ever need to reconfigure Sendmail, you will also need to have the sendmail-cf package installed. If you need documentation on Sendmail, you can install the sendmail-doc package.
We can use yum or dnf to install sendmail on CentOS 7. In this tutorial we discuss both methods but you only need to choose one of method to install sendmail.
Install sendmail on CentOS 7 Using yum
Update yum database with yum using the following command.
sudo yum makecache
After updating yum database, We can install sendmail using yum by running the following command:
sudo yum -y install sendmail
Install sendmail 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 sendmail using dnf by running the following command:
sudo dnf -y install sendmail
How To Uninstall sendmail on CentOS 7
To uninstall only the sendmail package we can use the following command:
sudo dnf remove sendmail
References
Summary
In this tutorial we learn how to install sendmail on CentOS 7 using yum and dnf.
