You can use this tag only in html mode and at the very beginning of the html text you should type <advancedparser/>followed by the tag<loadmodule formtoemail/>.
Metainfo:
Author: factline Webservices GmbH; Copyright: factline Webservices GmbH; Published by: Ivo Marinov (factline3) factID: 1473878.2 (...history); published on 25 May. 2010 11:28
Shortcuts:
Structure > English > special tags > module tags > formtoemail