cell phone provider sms gateway mms gateway at& number@txt att net number@mms att net boost mobile number@sms myboostmobile com same as sms cricket number@sms cricketwireless net number@mms cricketwireless net google fi number@msg fi google com same as sms metro pcs number@mymetropcs com same as sms republic wireless number@text republicwireless com same as sms sprint number@messaging sprintpcs com number@pm sprint com -mobile number@tmomail net same as sms cellular number@email uscc net number@mms uscc net verizon number@vtext com number@vzwpix com virgin mobile number@vmobl com number@vmpix com xfinity mobile number@vtext com number@mypixmessages com while sms email gateways are free and simple to usethere are several major disadvantages to themyou have no guarantee that the text will arrive promptlyor at all you have no way of knowing if the text failed to arrive the text recipient has no way of replying sms gateways may block you if you send too many emailsand there' no way to find out how many is "too many just because the sms gateway delivers text message today doesn' mean it will work tomorrow sending texts via an sms gateway is ideal when you need to send the occasionalnonurgent message if you need more reliable serviceuse non-email sms gateway serviceas described next sending text messages with twilio in this sectionyou'll learn how to sign up for the free twilio service and use its python module to send text messages twilio is an sms gateway servicewhich means it allows you to send text messages from your programs via the internet although the free trial account comes with limited amount of credit and the texts will be prefixed with the words sent from twilio trial accountthis trial service is probably adequate for your personal programs but twilio isn' the only sms gateway service if you prefer not to use twilioyou can find alternative services by searching online for "free sms"gateway,"python sms api,or even "twilio alternatives