You Are Not To Blame

You are not to blame: Here's why you haven't used DMARC p=reject yet. DMARC is a robust email authentication mechanism that operates at the Internet-scale, allowing domain owners to regulate how their domains are used for email transmission by posting... More

You are not to blame: Here's why you haven't used DMARC p=reject yet. DMARC is a robust email authentication mechanism that operates at the Internet-scale, allowing domain owners to regulate how their domains are used for email transmission by posting policies in DNS. Because it is respected by 80% of all inboxes globally, if you publish a DMARC record with an enforcement policy, any non-authenticating email will be quarantined (sent to spam) or refused. Less