SSL is very important and in order to have domain mapping, we have to fork out an additional £50 to install an SSL certificate. Whilst this would be fine previously, today we have LetsEncrypt which offers free SSL certificates with automated installations and renewals.
Zendesk is a product that already offers LetsEncrypt. It literately takes a couple clicks and an SSL certificate has been installed on a custom domain within 5 minutes. Best part, it is free and requires no support interaction.
Complete We've implemented this suggestion!