You can edit and copy the email template to the PingDirectory server using the example email template provided.
An example email template is provided in the Delegated Admin package at the top level in the file delegated-admin-account-created.template. This template provides a multi-part text and HTML email to the user with their user name and initial password along with a self-service link they can use to sign on to PingFederate and change their password and profile information.