iPhone push email notification - simular to PushMail

hi , we would like a iphone app simular to PushMail itunes link: [login to view URL] PushMail PushMail (iTunes link) is an application that sends notifications to iPhones and iPod Touches when you receive emails. The application lets you register a username for the [login to view URL] domain. Upon successful registration, all email sent to yourusername(AT)[login to view URL] will trigger the push of a notification to your device with the sender, the subject and a snippet of the body of the email. regards mike