How To Install openpgpkey-milter on CentOS 7

In this tutorial we learn how to install openpgpkey-milter on CentOS 7. openpgpkey-milter is OPENPGPKEY basd automatic encryption of emails using the milter

Introduction

In this tutorial we learn how to install openpgpkey-milter on CentOS 7.

What is openpgpkey-milter

The openpgpkey-milter package provides a milter plugin for sendmail or postfix that will automatically encrypt plaintext emails if the target recipient is publishing an OPENPGPKEY record protected with DNSSEC. This is currently an IETF draft (draft-wouters-dane-openpgp)

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

Install openpgpkey-milter on CentOS 7 Using yum

Update yum database with yum using the following command.

sudo yum makecache

After updating yum database, We can install openpgpkey-milter using yum by running the following command:

sudo yum -y install openpgpkey-milter

Install openpgpkey-milter 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 openpgpkey-milter using dnf by running the following command:

sudo dnf -y install openpgpkey-milter

How To Uninstall openpgpkey-milter on CentOS 7

To uninstall only the openpgpkey-milter package we can use the following command:

sudo dnf remove openpgpkey-milter

References

Summary

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