simply send an email to the cell phone number @the appropriate cell provider from list below:
example [10 digit cell phone number]@txt.att.net = 5555551234@txt.att.net
---------------------------------------------------
3River Wireless - @sms.3rivers.net
AT&T Wireless - @txt.att.net
AT&T Wireless - @mobile.att.net
Andhra Pradesh Airtel - @airtelap.com
Andhra Pradesh Idea Cellular - @ideacellular.net
Alltel PCS - @message.alltel.com
Alltel - @alltelmessage.com
Arch Wireless - @archwireless.net
BeeLine GSM - @sms.beemail.ru
BeeLine (Moscow) - @sms.gate.ru
Bell Canada - @txt.bellmobility.ca
Bell Canada -@bellmobility.ca
Bell Atlantic - @message.bam.com
Bell South - @sms.bellsouth.com
Bell South - @wireless.bellsouth.com
Bell South - @blsdcs.net
Bite GSM (Lithuania) - @sms.bite.lt
Bluegrass Cellular - @sms.bluecell.com
BPL mobile - @bplmobile.com
Celcom (Malaysia) - @sms.celcom.com.my
Cellular One - @mobile.celloneusa.com
Cellular One East Cost - @phone.cellone.net
Cellular One South West - @swmsg.com
Cellular One - @mobile.celloneusa.com
Cellular One - @cellularone.txtmsg.com
Cellular One - @cellularone.textmsg.com
Cellular South - @csouth1.com
Cellular One - @message.cellone-sf.com
Cellular One - @sbcemail.com
CenturyTel - @messaging.centurytel.net
Cingular - @mobile.mycingular.net
Cingular Wirelss - @mycingular.textmsg.com
Cingular Wirelss - @mobile.mycingular.net
Clearnet - @msg.clearnet.com
Comcast - @comcastpcs.textmsg.com
CZECH EuroTel - @sms.eurotel.cz
CZECH Paegas - @sms.paegas.cz
Chennai Skycell / Airtel - @airtelchennai.com
Chennai RPG Cellular - @rpgmail.net
Comviq GSM Sweden- @sms.comviq.se
Corr Wireless Communications - @corrwireless.net
D1 De TeMobil - @t-d1-sms.de
D2 Mannesmann Mobilefunk - @d2-message.de
DT T-Mobile - @t-mobile-sms.de
Delhi Airtel - @airtelmail.com
Delhi Hutch - @delhi.hutch.co.in
Dobson-Cellular One - @mobile.cellularone.com
Dobson Cellular Systems - @mobile.dobson.net
Edge Wireless - @sms.edgewireless.com
E-Plus (Germany) - @eplus.de
EMT - @sms.emt.ee
Eurotel (Czech Republic) - @sms.eurotel.cz
Europolitan Sweden - @europolitan.se
Escotel - @escotelmobile.com
Estonia EMT - @sms-m.emt.ee
Estonia RLE - @rle.ee
Estonia Q GSM - @qgsm.ee
Estonia Mobil Telephone - @sms.emt.ee
Fido - @fido.ca
Georgea geocell - @sms.ge
Goa BPLMobil - @bplmobile.com
Golden Telecom - @sms.goldentele.com
Golden Telecom (Kiev, Ukraine only) - @sms.gt.kiev.ua
GTE - @messagealert.com
GTE - @airmessage.net
Gujarat Idea - @ideacellular.net
Gujarat Airtel - @airtelmail.com
Gujarat Celforce / Fascel - @celforce.com
Goa Airtel - @airtelmail.com
Goa BPLMobil - @bplmobile.com
Goa Idea Cellular - @ideacellular.net
Haryana Airtel - @airtelmail.com
Haryana Escotel - @escotelmobile.com
Himachal Pradesh Airtel - @airtelmail.com
Houston Cellular - @text.houstoncellular.net
Hungary Pannon GSM - @sms.pgsm.hu
Idea Cellular - @ideacellular.net
Inland Cellular Telephone - @inlandlink.com
Israel Orange IL - @shiny.co.il
Karnataka Airtel - @airtelkk.com
Kerala Airtel - @airtelmail.com
Kerala Escotel - @escotelmobile.com
Kerala BPL Mobile - @bplmobile.com
Kyivstar (Kiev Ukraine only) - @sms.kyivstar.net
Kyivstar - @smsmail.lmt.lv
Kolkata Airtel - @airtelkol.com
Latvia Baltcom GSM - @sms.baltcom.lv
Latvia TELE2 - @sms.tele2.lv
LMT - @smsmail.lmt.lv
Madhya Pradesh Airtel - @airtelmail.com
Maharashtra Idea Cellular - @ideacellular.net
MCI Phone - @mci.com
Meteor - @mymeteor.ie
Metro PCS - @mymetropcs.com
Metro PCS - @metorpcs.sms.us
MiWorld - @m1.com.sg
Mobileone - @m1.com.sg
Mobilecomm - @mobilecomm.net
Mobtel Srbija - @mobtel.co.yu
Mobitel (Tanazania) - @sms.co.tz
Mobistar Belgium - @mobistar.be
Mobility Bermuda - @ml.bm
Movistar (Spain) - @correo.movistar.net
Maharashtra Airtel - @airtelmail.com
Maharashtra BPL Mobile - @bplmobile.com
Manitoba Telecom Systems - @text.mtsmobility.com
Mumbai Orange - @orangemail.co.in
MTC - @sms.mts.ru
Mumbai BPL Mobile - @bplmobile.com
MTN (South Africa only ) - @sms.co.za
MiWorld ( Singapore) - @m1.com.sg
NBTel - @wirefree.informe.ca
Netcom GSM (Norway)- @sms.netcom.no
Nextel - @messaging.nextel.com
Nextel - @nextel.com.br
NPI Wireless - @npiwireless.com
Ntelos - number@pcs.ntelos.com
One Connect Austria - @onemail.at
OnlineBeep - @onlinebeep.net
Omnipoint - @omnipointpcs.com
Optimus (Portugal) - @sms.optimus.pt
Orange - NL / Dutchtone - @sms.orange.nl
Orange - @orange.net
Oskar - @mujoskar.cz
Pacific Bell - @pacbellpcs.net
PCS One - @pcsone.net
Pioneer / Enid Cellular - @msg.pioneerenidcellular.com
PlusGSM (Poland only) - @text.plusgsm.pl
P&T Luxembourg - @sms.luxgsm.lu
Poland PLUS GSM - @text.plusgsm.pl
Pondicherry BPL Mobile - @bplmobile.com
Primco - @primeco@textmsg.com
Primtel - @sms.primtel.ru
Public Service Cellular - @sms.pscel.com
Punjab Airtel - @airtelmail.com
Qwest - @qwestmp.com
Riga LMT - @smsmail.lmt.lv
Rogers AT&T Wireless - @pcs.rogers.com
Safaricom - @safaricomsms.com
Satelindo GSM - @satelindogsm.com
Simobile (Slovenia) - @simobil.net
SCS-900 - @scs-900.ru
Sunrise Mobile - @mysunrise.ch
Sunrise Mobile - @freesurf.ch
SFR France - @sfr.fr
Southwestern Bell - @email.swbw.com
Sonofon Denmark - @note.sonofon.dk
Sprint PCS - @messaging.sprintpcs.com
Sprint - @sprintpaging.com
Swisscom - @bluewin.ch
Swisscom - @bluemail.ch
Telecom Italia Mobile (Italy) - @posta.tim.it
Telenor Mobil Norway - @mobilpost.com
Telecel (Portugal) - @sms.telecel.pt
Tele2 - sms.tele2.lv
Tele Danmark Mobil - @sms.tdk.dk
Telus - @msg.telus.com
Telenor - @mobilpost.no
Telia Denmark - @gsm1800.telia.dk
TIM - @timnet.com
TMN (Portugal) - @mail.tmn.pt
T-Mobile Austria - @sms.t-mobile.at
T-Mobile Germany - @t-d1-sms.de
T-Mobile UK - @t-mobile.uk.net
T-Mobile USA - @tmomail.net
Triton - @tms.suncom.com
Tamil Nadu Aircel - @airsms.com
Tamil Nadu BPL Mobile - @bplmobile.com
UMC GSM - @sms.umc.com.ua
Unicel - @utext.com
Uraltel - @sms.uraltel.ru
US Cellular - @email.uscc.net
US West - @uswestdatamail.com
Uttar Pradesh (West) Escotel - @escotelmobile.com
Verizon - @vtext.com
Verizon PCS - @myvzw.com
Vodafone Omnitel (Italy) - @vizzavi.it
Vodafone Italy - @sms.vodafone.it
Vodafone Japan - @c.vodafone.ne.jp
Vodafone Japan - @h.vodafone.ne.jp
Vodafone Japan - @t.vodafone.ne.jp
Vodafone Spain - @vodafone.es
Vodafone UK - @vodafone.net
West Central Wireless - @sms.wcc.net
Western Wireless - @cellularonewest.com