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...