How to set the content type with Grails mail plugin?

The Grails mail开发者_高级运维 plugin documentation shows only how to set the content type with GSP templates:

<%@ page contentType="text/html"%>

But I don't use GSP (and will not!) and produce a String with FreeMarker. Is there a way to set the content type without using GSP?

---

If you use the html statement in the sendMail method the plugin will set the content type for you. The sendMail command can be used without requiring a gsp template.

mailService.sendMail {
            to "recipient@recipient.com"
            from "someone@place.com"
            subject "Email without gsp"
            html "some markup"
        }