How can I set up free SMS alerts for urgent emails from GMail to my mobile phone?
It sends out sms when you get email in your inbox.
You can check out AwayFind iPhone app
a similar question was asked previously. Did you try whether the solutions there work for you?
How can I receive Gmail as SMS for free?
How can I setup SMS alerts for urgent eMails received in GMail using a Reliance GSM mobile phone?
How can I set up GMail SMS notification for the iPhone 4?
What phone and mobile operating are you using? Maybe there is an app for you.