Yes, the following code works:
DECLARE INTEGER ShellExecute IN shell32.dll INTEGER hndWin, STRING cAction, STRING cFileName, STRING cParams, STRING cDir, INTEGER nShowWin
lcMail = "mailto:jj@jj.com"+ ;
"?CC= jj@jj.com&Subject= Meet for lunch"+ ;
"&Body= Please join me for a sandwich at...