Actually, DMARC refines SPF to also apply to the header from. If you have only a...

		phicoh on Jan 18, 2017 \| parent \| context \| favorite \| on: DMARC Secured Email Identities but Broke Mailing L... Actually, DMARC refines SPF to also apply to the header from. If you have only an SPF record on your domain then the old rule applies (only envelop from). If you also have the _dmarc.<domain> then SPF also applies to header from.