An SPF record is a type of Domain Name Service (DNS) record that identifies which mail servers are permitted to send email on behalf of your domain. The purpose of an SPF record is to prevent spammers from sending messages with forged From addresses at your domain.

DMARC, which stands for “Domain-based Message Authentication, Reporting & Conformance”, is a technical specification created by a group of organizations that want to help reduce the potential for email-based abuse by solving a couple of long-standing operational, deployment, and reporting issues related to email authentication protocols. DMARC standardizes how email receivers perform email authentication using the well-known SPF and DKIM mechanisms. This means that senders will experience co...

Yahoo has changed its DMARC policy of its domain, it has adopted 'p=reject' policy. All the DMARC compliant mail receivers inclusive of Yahoo, AOL and Gmail are rejecting or bouncing an email that comes from @yahoo.com but not from its domain. Any email that is devoid of proper DKIM and SPF alignments are tend to get rejected. Using a public domain in the sender place is not a good sign for legitimate email marketers. DMARC authentication policies are getting popular to eradicate the issues a...