On Wed, Feb 7, 2024, 4:55 AM Andreas S. Kerber via mailop <mailop@mailop.org> wrote:
> Am Wed, Feb 07, 2024 at 02:20:25PM +0100 schrieb Jaroslaw Rafa via mailop: > > For outgoing, Google requires that you have DMARC record set up. So if > you > > are sending anything to Google, you need that. > > This only applies if your sending more than 5000 messages per day. > Most smaller senders are still fine using only "SPF *or* DKIM" and do not > *need* a DMARC record: > > https://support.google.com/a/answer/81126 Unfortunately, this is not correct, despite the official documentation. There are multiple reports on Reddit and other places of people getting the explicit "authentication required" SMTP response at much lower volumes. I've also experienced it directly myself, on domains that I directly control that don't do 50 a day, let alone 5000. Royce
_______________________________________________ mailop mailing list mailop@mailop.org https://list.mailop.org/listinfo/mailop
