A Free Tool to Monitor and Implement DMARC

DMARC is a standard that prevents spammers from using your domain to send email without your permission — also known as spoofing. In combination with SPF and DKIM, a DMARC policy in DNS allows you to set rules to reject or quarantine emails from sources you do not know or trust. As part of the DMARC spec, ISPs (Gmail, Yahoo, Microsoft and more) who implement DMARC will also generate reports on sending activity for your domain.

Postmark DMARC is a free tool to monitor & implement DMARC. They will process reports from major ISPs about your domain’s DMARC alignment and turn them into beautiful, human-readable weekly email digests, absolutely free.

Requirements: –
Demo: http://dmarc.postmarkapp.com/
License: License Free