How To Install sendmail-cf on CentOS 7

Introduction

In this tutorial we learn how to install sendmail-cf on CentOS 7.

What is sendmail-cf

This package includes the configuration files you need to generate the sendmail.cf file distributed with the sendmail package. You will need the sendmail-cf package if you ever need to reconfigure and rebuild your sendmail.cf file.

We can use yum or dnf to install sendmail-cf on CentOS 7. In this tutorial we discuss both methods but you only need to choose one of method to install sendmail-cf.

Install sendmail-cf 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-cf using yum by running the following command:

sudo yum -y install sendmail-cf

Install sendmail-cf 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-cf using dnf by running the following command:

sudo dnf -y install sendmail-cf

How To Uninstall sendmail-cf on CentOS 7

To uninstall only the sendmail-cf package we can use the following command:

sudo dnf remove sendmail-cf

References

• sendmail-cf website

Summary

In this tutorial we learn how to install sendmail-cf on CentOS 7 using yum and dnf.