Excessive Bounces

[Lyndon Nerenberg]

> On Jul 2, 2016, at 2:37 AM, Jay West <jwest at classiccmp.org> wrote:
> 
> Of those bounces, almost 100% of them were due to DMARC/DKIM mechanisms. I
> view DMARC/DKIM as less than useless. First, they are far from universally
> implemented - so most valid email is not DMARC/DKIM "protected". Second a
> large percentage of the spam in the world *IS* DMARC/DKIM "protected".

Amen.  DMARC is an abomination that must be made to die.

DKIM is useful, in an advisory sense.  DMARC just outright breaks decades of standardized email protocol behaviour.