The world of email changed forever when fifteen companies–including Agari, Google, Yahoo, AOL, Microsoft, PayPal, Facebook, LinkedIn and American Greetings– publicly announced DMARC.org . This working group has focused on putting the kibosh on domain phishing and brand hijacking. The new specification describes a scalable method for Email Senders and Receivers to work together to directly check...

Email-service providers Google Inc., Yahoo Inc., Microsoft Corp. and AOL Inc. are backing a new effort intended to dramatically reduce "phishing" emails—which attempt to trick recipients into thinking they come from a legitimate source. The companies—along with others such as financial-service companies Bank of America Corp., FMR LLC's Fidelity Investments and eBay Inc.'s PayPal—are hoping to...