How To Install postfix on CentOS 7

In this tutorial we learn how to install postfix on CentOS 7. postfix is Postfix Mail Transport Agent

Introduction

In this tutorial we learn how to install postfix on CentOS 7.

What is postfix

Postfix is a Mail Transport Agent (MTA), supporting LDAP, SMTP AUTH (SASL), TLS

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

Install postfix on CentOS 7 Using yum

Update yum database with yum using the following command.

sudo yum makecache

After updating yum database, We can install postfix using yum by running the following command:

sudo yum -y install postfix

Install postfix 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 postfix using dnf by running the following command:

sudo dnf -y install postfix

How To Uninstall postfix on CentOS 7

To uninstall only the postfix package we can use the following command:

sudo dnf remove postfix

References

Summary

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