The key features of Mail Plus moving forward are as followed, listed in relative order of importance:

• No graphical ads
• Offline access (with POP) and mail forwarding
• Even fewer unwanted messages SpamGuardTM Plus
• More capacity with larger attachments

• Check email from any mobile phone
• With POP, download your emails into Outlook™ or other email desktop applications

Calling all developers!  We have a Mail Plus API available through the Yahoo! Affiliate Program.

With the Yahoo! Mail Web Service, you can build applications to perform tasks such as listing messages, displaying folders, and composing and sending messages.

For more information please visit: http://developer.yahoo.com/mail/