Automated Emails can be categorized into global templates and self-made editable templates. Though till the feature release then you are able to replace them with your own.

You can set email templates by visiting your workspace "Setting"> Template> Add template and assign them in your pipeline in the Job creation process by visiting Hiring Flow> Autonomous Actions> Emails

How to remove email templates?

You can remove the automated emails either in the global by visiting "Setting" Recruitment Preference> click on the green tape under the steps and tap into the "bin" icon or within the job creation process by visiting "Hiring Flow"> click on the green tape under each step and tap into the "bin" icon.