I know it is late, but for anyone reading this now, as I am: Mailbox.org is completely ignoring DMARC since months... And their handling of the issue IMHO is i

I know it is late, but for anyone reading this now, as I am: Mailbox.org is completely ignoring DMARC since months... And their handling of the issue IMHO is incompetent at best. See this thread (in German) https://userforum.mailbox.org/topic/10676-mailbox-org-akzeptiert-gefalschte-mails-trotz-spf-fail-dkim-fail-dmarc-fail-und-reject-policy https://userforum.mailbox.org/topic/10676-mailbox-org-akzept...