On Sun, 1 Nov 2015 17:15:53 -0500
Keith Daniels <keithwdaniels@...> wrote:

>  It's had spells of being odd for a long time.   <grin>
> 
> I keep getting an occasional post saying mail can not be delivered but I
> never could figure out why.

Most of those are due to incorrect DKIM headers.  Gmail (and I think
also Yahoo) are pickier about those than other email providers.

E. Liddell