There are three ways to access your Yahoo! Mail account from your smartphone:

Download Yahoo! Go

Yahoo! Go has taken the Internet services Yahoo! customers love and optimized them for the mobile experience. It includes access to Yahoo! email, personalized content, photo sharing and more.

To see if Yahoo! Go is available for your Windows Mobile device visit http://mobile.yahoo.com/go or type http://us.get.go.yahoo.com into your phone’s browser.

Subscribe to Yahoo! Mail Plus

If you subscribe to Yahoo! Mail Plus, which has a yearly charge of $19.99, you can access Yahoo! Mail on your mobile device without downloading Yahoo! Go. To make sure you are set up for this, log into your Yahoo! Mail Plus account on the Internet, go to the Mail Delivery Status page, choose Mail Options, and check the POP access option. To configure Yahoo! Mail on your smartphone:

To view your latest messages on your smartphone, select Menu > Send/Receive.