signing_stats — control how signing statistics are recorded
Signing_Stats = "all"
Signing_Stats = "global"
Signing_Stats = "off"
This option is used to control whether signing statistics are recorded per binding, as a global summary only, or disabled entirely. You might consider setting this option to
off if you have a very large number of bindings and don't need to track message signing statistics such as DKIM on a per-binding basis.
**Configuration Change. ** This feature is available starting from Momentum 3.0.17.
The default value for this option is
Signing_Stats is valid in the global scope.