The CentSMS Email-to-SMS gateway provides a simple way to send text messages via email.
STEP 1: Open your email application; whatever application you typically use to send emails. This could be GMail, Yahoo Mail, Microsoft Outlook, etc. Make sure your email address for this account is the same as the one you registered in your CentSMS account.
STEP 2: Compose an email:
STEP 3: Press Send! You’ve now sent your text message(s)!