On 11/22/19 6:25 AM, Wesley Peng wrote: > Would this list break SPF then? Thanks > This list sends with an envelope sender in the lists domain, so it doesn't break general SPF, it will break DMARC SPF, since that check SPF only to the From: domain.
This list doesn't modify messages in a way to break DKIM, so messages that were DKIM signed to the From: Domain will still pass DMARC DKIM, so will pass DMARC (unless the domain doesn't DKIM sign messages, which would be very unusual for highly restricted DMARC). -- Richard Damon
