Managing E-Mail Templates for the Wiki Application 
E-mail templates for all types of outgoing e-mails generated by the wiki application are included in the shipment.
You can customize e-mail templates using FreeMarker syntax (search the World Wide Web for the FreeMarker manual). The subject input field is a text box instead of a text field so that you can embed code to customize the subject line of the e-mail template.
From the wiki administration console, choose
In the navigation pane, choose Email Templates.
To open an e-mail template, choose
with the quick info text Edit Email Template in the row next to the template name.
Adapt the template's locale, its subject, or the body text as required.
Choose Save Changes.
You can create a new e-mail template by adapting an existing one and saving it as a new template.
Overwrite the source template as required.
Choose Add Template.