How to enable email compression

Introduction

How to enable email compression. This will only compress messages after you enable this setting. It does not compress existing messages.

Procedure

1. Go to WHM » Service Configuration » Mailserver Configuration.
2. Enable Compress Messages.

You may also tweak the Compression level by entering an integer between 0 and 9, where 0 is the default compression level and 9 is the highest compression level.

For more information, please read the following article: https://docs.cpanel.net/whm/service-configuration/mailserver-configuration#compress-messages.