HTML and CSS Reference
Figure 9-2. A warning about a mailto form submission
Also, unless disabled by the user or if you omit the method=POST attribute,
the browser typically warns users that they are about to send unencryp-
ted (text/plain) and thereby unsecured information over the network
and gives them the option to cancel the submission. Otherwise, the form
is sent via email without incident or notification.
The body of the resulting emailed form message looks something like