Return Path Boasts Tighter Phishing Protection
Domain Assurance will provide ISPs with an audit of e-mail streams so they can identify e-mails that are safe to go through.
As the article explains:
Domain Assurance has an audit and registry to authenticate e-mail, and allows ISPs to block unauthenticated messages such as spam and phishing attempts.
The service will provide ISPs with an audit of e-mail streams so they can identify e-mails that are safe to go through. An e-mail flagged as "bad" will be blocked by the mailbox provider or ISP, and companies can be notified if they are being spammed or phished.



