On 7/8/19 5:54 PM, Keith Medcalf wrote:
On Monday, 8 July, 2019 18:08, Michael Thomas <m...@mtcc.com> wrote:
when we did DKIM back in the day, almost nobody was requiring SMTP
auth which meant the providers could say "blame me" via the DKIM
signature, >but couldn't really take much action since they didn't
know who has doing it.
This is because DKIM was a solution to a problem that did not exist. You
always know the identity of the MTA sending you a message, there never was a
need for DKIM. It was a solution to a problem that does not and did not nor
will ever exist.
::eyeroll:: pray tell, how do you "always" know the identity of the MTA
sending you a message?
Mike