QuickEmail can be used to send an email form within a snippet, but its main purpose is to diagnose email problems.
After installing QUickEmail, create a resource called QuickEmailCheck and add the following snippet tag to the content:
When you preview the page, you should receive an email. If not, change the tag to this and preview the page again:
See the tutorial at Bob's Guides.
New in QuickEmail 1.1.2