Are there services to direct text from email or web based?

Say You want to mass send a text message to all your friends or a group of people.

I found this sweet site that looks really promising too. Kind of like the above: https://www.textjive.com
10digitphonenumber@mms.mycricket.com

Verizon: 10digitphonenumber@vtext.com
AT&T: 10digitphonenumber@txt.att.net
Sprint: 10digitphonenumber@messaging.sprintpcs.com
T-Mobile: 10digitphonenumber@tmomail.net
Nextel: 10digitphonenumber@messaging.nextel.com
Cingular: 10digitphonenumber@cingularme.com
Virgin Mobile: 10digitphonenumber@vmobl.com
Alltel: 10digitphonenumber@message.alltel.com
CellularOne: 10digitphonenumber@mobile.celloneusa.com
Omnipoint: 10digitphonenumber@omnipointpcs.com
Qwest: 10digitphonenumber@qwestmp.com

There is a great tutorial that shows you how to add text messaging for free to your website. It basically sends a custom text message when the user puts in their phone number. Exactly what I was looking for

https://www.easykiss123.com/tutorials/sms_simple/index.html

https://mrtextmessage.com
Mr Text Message provides you a totally free service: You can send online free text messages to anyone directly from our website for free. You no longer have to pay as long as you have access to the Internet.

his all works great but if your trying to send a mms to verison you have to send it to number@vzwpix.com or it wont work

https://www.txtwire.com/

txtwire is a mass mobile delivery tool that uses text messaging to disseminate information to consumers, employees, and other subscribers.   txtwire can be utilized to communicate time sensitive information via SMS text to 1 person or to over 100, 000 people with the click of a button.

Mobile Marketing 101 guide. https://tinyurl.com/quaoq9