Number of spoof attempts on domains drops to “near zero” within months of DMARC enforcement

Despite an increase in usage, a Valimail report found that of the 933,000 organizational domains with DMARC, only 13% are at enforcement. How some presidential campaigns use DMARC to protect their domains from being spoofed DMARC can prevent spammers from using a trusted domain name to send junk mail, a useful tactic for the presidential … Read more