Send SMS text messages from email

Found this online:

Here's a list of how text messaging addresses are formatted for
common US wireless providers. The 10digitphonenumber is your mobile phone
number (for example: 8885551234@ vtext.com).

Verizon: 10digitphonenumber@ vtext.com
at&t customers: 10digitphonenumber@ mms.att.net
Sprint: 10digitphonenumber@ messaging.sprintpcs.com
T-Mobile: 10digitphonenumber@ tmomail.net
Nextel: 10digitphonenumber@ messaging.nextel.com
Virgin Mobile: 10digitphonenumber@ vmobl.com
Alltel: 10digitphonenumber@ alltelmessage.com OR
10digitphonenumber@ message.alltel.com
CellularOne: 10digitphonenumber@ mobile.celloneusa.com
Omnipoint: 10digitphonenumber@ omnipointpcs.com
Qwest: 10digitphonenumber@ qwestmp.com