Log size bins MTA option

Counters MTA options:  (comma-separated list of up to five integers)
The  MTA  option specifies the bin divisions for the  MTA counters tracking numbers of messages of the specified number of (MTA) blocks (the size of an MTA block having been defined via the    MTA option). The default values are 2, 10, 50, 100, 500.

See also:
 * MTA counters
 * Counters MTA options
 * block_size MTA Option