To send a text message from your computer to someone's cell phone, do the following. There will be a complete list of cell phone suffixes to use at the end of the steps.

1. If you want to send a text message to someone using A T&T, for example, and their cell phone number is 555-555-5555. You open a new email message and in the " To " field type 5555555555@txt.att.net You don't put any dashes in the cell number, just the digits.
2. Tab to the subject field and put in a subject line.
3. Tab to the edit field and put in your message. Then send as usual.

They receive the text message and, when they reply, it comes to your inbox. Here are the email suffixes you add to the cell phone number.

3 River Wireless: phonenumber@sms.3rivers.net
ACS Wireless: phonenumber@paging.acswireless.com
Alltel: phonenumber@message.alltel.com
AT&T: phonenumber@txt.att.net
Bell Canada: phonenumber@txt.bellmobility.ca
Bell Canada: phonenumber@bellmobility.ca
Bell Mobility (Canada): phonenumber@txt.bell.ca
Bell Mobility: phonenumber@txt.bellmobility.ca
Blue Sky Frog: phonenumber@blueskyfrog.com
Bluegrass Cellular: phonenumber@sms.bluecell.com
Boost Mobile: phonenumber@myboostmobile.com
BPL Mobile: phonenumber@bplmobile.com
Carolina West Wireless: number@cwwsms.com
Cellular One: phonenumber@mobile.celloneusa.com
Cellular South: phonenumber@csouth1.com
Centennial Wireless: phonenumber@cwemail.com
CenturyTel: phonenumber@messaging.centurytel.net
Clearnet: phonenumber@msg.clearnet.com
Comcast: phonenumber@comcastpcs.textmsg.com
Corr Wireless Communications: phonenumber@corrwireless.net
Dobson: phonenumber@mobile.dobson.net
Edge Wireless: phonenumber@sms.edgewireless.com
Fido: phonenumber@fido.ca
Golden Telecom: phonenumber@sms.goldentele.com
Helio: phonenumber@messaging.sprintpcs.com
Houston Cellular: phonenumber@text.houstoncellular.net
Idea Cellular: phonenumber@ideacellular.net
Illinois Valley Cellular: phonenumber@ivctext.com
Inland Cellular Telephone: phonenumber@inlandlink.com
MCI: phonenumber@pagemci.com
Metrocall: pagernumber@page.metrocall.com
Metrocall 2-way: pagernumber@my2way.com
Metro PCS: phonenumber@mymetropcs.com
Microcell: phonenumber@fido.ca
Midwest Wireless: phonenumber@clearlydigital.com
Mobilcomm: phonenumber@mobilecomm.net
MTS: phonenumber@text.mtsmobility.com
Nextel: phonenumber@messaging.nextel.com
OnlineBeep: phonenumber@onlinebeep.net
PCS One: phonenumber@pcsone.net
President's Choice: phonenumber@txt.bell.ca
Public Service Cellular: phonenumber@sms.pscel.com
Qwest: phonenumber@qwestmp.com
Rogers AT&T Wireless: phonenumber@pcs.rogers.com
Rogers Canada: phonenumber@pcs.rogers.com
Satellink: pagernumber.pageme@satellink.net
Southwestern Bell: phonenumber@email.swbw.com
Sprint: phonenumber@messaging.sprintpcs.com
Sumcom: phonenumber@tms.suncom.com
Surewest Communicaitons: phonenumber@mobile.surewest.com
T-Mobile: phonenumber@tmomail.net
Telus: phonenumber@msg.telus.com
Tracfone: phonenumber@txt.att.net
Triton: phonenumber@tms.suncom.com
Unicel: phonenumber@utext.com
US Cellular: phonenumber@email.uscc.net
Solo Mobile: phonenumber@txt.bell.ca
Sprint: phonenumber@messaging.sprintpcs.com
Sumcom: phonenumber@tms.suncom.com
Surewest Communicaitons: phonenumber@mobile.surewest.com
Telus: phonenumber@msg.telus.com
Triton: phonenumber@tms.suncom.com
Unicel: phonenumber@utext.com
US Cellular: phonenumber@email.uscc.net
US West: phonenumber@uswestdatamail.com
Verizon: phonenumber@vtext.com
Virgin Mobile: phonenumber@vmobl.com
Virgin Mobile Canada: phonenumber@vmobile.ca
West Central Wireless: phonenumber@sms.wcc.net
Western Wireless: phonenumber@cellularonewest.com

where phonenumber equals your 10 digit phone number