Posted by: sajhamitra August 23, 2013
sending mass texting for research purpose.
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There are various ways to do that.
If all of your sample numbers are from AT&T customers then you can send an email by listing all the number@txt.att.net using any email client(gmail,hotmail etc)

e.g
3412223343@txt.att.net,1234566666@txt.att.net......

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