[This is a Netscape "Save as .. text" dump of the table and may not be as updated as the source.]

                                       Field has value of:
   Desired Setup
                      _mailto    _mailformat  _mailsubj  _mail[n]  _mail_vals
 Mail some text
 (with arbitrary
 mail headers) as    the e-mail      the
 specified in an    address(es)    external               not set
 external file       to send to      file
 with variable
 instantiation
                                                           the
 Mail some text as                           the symbol   symbol
 specified inline    the e-mail                encoded   encoded
 with variable      address(es)    not set     format     format    not set
 instantiation       to send to                subject   text of
                                                line
                                                         the body
                                             the symbol
 Mail some fields    the e-mail                encoded             the fields
 in the default     address(es)    not set     format    not set    you want
 format              to send to                subject             mailed or
                                                line                 "all"
 Nothing is mailed    "noone"                       not set