OneMail allows you to keep tabs on your regular email account when you are using limited bandwidth connections such a a satellite phone or slower 2g cellular networks that would normally make this impossible. OneMail takes a very unconventional approach to checking your email account through slow or expensive connections. When you use OneMail to check your email, it auto-dials through your satellite link and then downloads the From, Subject and Size of the mails waiting for you in just second