A new study shows that 75 percent of large businesses attempting implementation of the DMARC email authentication standard are not presently capable of using it to block unauthorized email. This means that enterprises are putting their own security, compliance, and brand protection at risk. Automated mail authentication specialist ValiMail looked at email authentication policies for more than a million business domain names, including those of Fortune 1000, NASDAQ 100, and FTSE 100 businesses. "Our investigation showed that using email authentication to monitor and control unauthorized email is extremely difficult for the majority of global companies," says ValiMail's CEO Alexander García-Tobar.… [Continue Reading]