Hmm fandt lige dette på Google: 
 Procedure CreateEmail(Const EmailAddr, Subject, Body: String);
var
  ConcatEmailStr: String;
Begin
  ConcatEmailStr := EmailAddr + '?subject=' + Subject + '&body=' + Body;
  ShellExecute(Handle,'open',PChar(ConcatEmailStr), nil, nil, SW_SHOWNORMAL);
end; 
Det kan da klare noget af det du søger 
 
 Mvh.
Rune Jensen
---------------------------------------------------------------------------
##The one who laugh last is the one who think slowest!##
---------------------------------------------------------------------------