Email authentication. We work with all major mailbox providers to identify your valid mail sources. Legitimate senders enjoy improved deliverability while phishing attempts are stopped cold. Regain control of your most important digital asset: Email. Ensure that every message “from” you is actually from you. Protect your brand from criminals that would steal your identity & phish your customers. Protect your employees from CEO Scams, Spear Phishing & Business Email Compromise.