Use ip access MTA option

Access mapping table MTA options:  (bitmask)
(New in Messaging Server 7.0.) If bit 0 (value 1) of the  MTA option is set, then a  delivery attempt count field will be suffixed to the end of the    mapping table  probes. The default is 0.

See also:
 * Access mapping table MTA options
 * MX_ACCESS mapping table
 * IP_ACCESS mapping table