4 ms·
It is SPF that completely breaks mailing lists, DKIM is necessary to fix it. DMARC just specifies reporting and policy, DKIM is almost useless (except as SPF f
by garaetjjte 8y ago
It is SPF that completely breaks mailing lists, DKIM is necessary to fix it.
DMARC just specifies reporting and policy, DKIM is almost useless (except as SPF fail override) without it (because you don't know if it should have signature or not)
- brightball 8y agoDKIM without DMARC is the issue. Mail servers have no way of knowing that an email with no DKIM signature was supposed to have one unless you’ve set a DMARC policy to make it clear.