DKIM channel options

As of MS 7.0.5, a number of channel options can be used to affect message handling based on the presence of DKIM signatures. See also the DKIM MTA options.

MS 8.0.2.3 introduced native DKIM signing capbilities, controled by various DKIM channel options.

See also:
 * destinationdkimignore Option
 * dkimignore Option
 * DKIM MTA options
 * destinationdkimidentity0 Option
 * debugkeys Option
 * Channel options