How To Install clamsmtp on CentOS 7

In this tutorial we learn how to install clamsmtp on CentOS 7. clamsmtp is A SMTP virus scanning system

Introduction

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

What is clamsmtp

ClamSMTP is an SMTP filter that allows you to check for viruses using the ClamAV anti-virus software. It accepts SMTP connections and forwards the SMTP commands and responses to another SMTP server. The ‘DATA’ email body is intercepted and scanned before forwarding. It aims to be lightweight, reliable, and simple rather than have a myriad of options. It’s written in C without major dependencies. If you need more options then you could use something big like AMaViS which is written in PERL and can do almost anything. Written with the Postfix mail server in mind it can be configured as a Postfix Content Filter. It can also be used as a transparent proxy to filter an entire network’s SMTP traffic at the router.

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

Install clamsmtp on CentOS 7 Using yum

Update yum database with yum using the following command.

sudo yum makecache

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

sudo yum -y install clamsmtp

Install clamsmtp 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 clamsmtp using dnf by running the following command:

sudo dnf -y install clamsmtp

How To Uninstall clamsmtp on CentOS 7

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

sudo dnf remove clamsmtp

References

Summary

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