[GTALUG] We are having DMARC/DKIM troubles ...

[William Park]

On Sun, Jun 12, 2016 at 07:54:31PM -0400, Alvin Starr wrote:
> If you have a few tens to hundreds of million of clients(like the big guys)
> you will have lots who are compromised and now sources of spam.
> Its amazing the the big guys don't have all their mail servers blocked all
> the time.

Probably because they run/own those blacklists?
-- 
William