Read receipt on MTA option

OpenVMS user agent MTA options:  (string)
OpenVMS only.

The  MTA  option is used to specify a special RFC 822 comment string used in  IN% addresses in VMS MAIL to request a read receipt. The default if this option is not specified is: (READ-RECEIPT) The enclosing parentheses are required and must be specified in the option value.

See also:
 * OpenVMS user agent MTA options
 * read_receipt_off MTA Option