From <a href="https://www.cyberscoop.com/dhs-dmarc-mandate/" rel="nofollow">https://www.cyberscoop.com/dhs-dmarc-mandate/</a> :<p>> By Jan. 2018, all federal agencies will be required to implement DMARC across all government email domains.<p>> Additionally, by Feb. 2018, those same agencies will have to employ Hypertext Transfer Protocol Secure (HTTPS) for all .gov websites, which ensures enhanced website certifications.