Yahoo!, eBay, PayPal to Protect Against E-mail Fraud and Phishing

Yahoo!, eBay and PayPal announce a collaborative effort to better protect consumers against fraudulent e-mails and the dangerous scams known as phishing attacks. Now, eBay and PayPal customers worldwide using Yahoo! Mail will have a safer e-mail experience they will begin receiving fewer fake e-mails claiming to be sent by eBay and PayPal. Yahoo! Mail is the first Web mail service to block these types of malicious messages for eBay and PayPal through the use of DomainKeys e-mail authentication technology.

The technology upgrade will be rolled out globally over the next several weeks to all users of Yahoo! Mail.

DomainKeys technology provides a unique way to verify the authenticity of e-mail messages, allowing Internet service providers to determine if messages are real and should be delivered to a customer's inbox. The collaborative effort between Yahoo!, eBay and PayPal will result in the blocking of unauthenticated e-mail, reducing the volume of fraudulent e-mail received by consumers and lowering their risk of falling for phishing attacks.

Yahoo!, eBay and PayPal are in the process of transitioning their systems from DomainKeys to the proposed standard DomainKeys Identified Mail. The implementation is expected to be complete in the coming months.

Developed by Yahoo!, DomainKeys addresses the widespread issue of e-mail forgery, using cryptography to verify the domain of the sender. It allows e-mail providers to validate an e-mail's originating domain, making use of blacklists and whitelists more effective. It also makes phishing attacks easier to detect by helping to identify abusive domains. In May 2007, the Internet Engineering Task Force approved DKIM as a proposed Internet standard RFC 4871.

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