[8125, K-JAM, P4300, MDA Vario General] lee154320:
e-mail to text list.

Free Email To SMS Gateways (Major US Carriers)

Carrier	Email to SMS Gateway

Alltel	[10-digit phone number]@message.alltel.com

Example: 1234567890@message.alltel.com

AT&T (formerly Cingular)	[10-digit phone number]@txt.att.net

[10-digit phone number]@mms.att.net (MMS)

[10-digit phone number]@cingularme.com

Example: 1234567890@txt.att.net

Boost Mobile	[10-digit phone number]@myboostmobile.com

Example: 1234567890@myboostmobile.com

Nextel (now Sprint Nextel)	[10-digit telephone number]@messaging.nextel.com

Example: 1234567890@messaging.nextel.com

Sprint PCS (now Sprint Nextel)	[10-digit phone number]@messaging.sprintpcs.com

[10-digit phone number]@pm.sprint.com (MMS)

Example: 1234567890@messaging.sprintpcs.com

T-Mobile	[10-digit phone number]@tmomail.net

Example: 1234567890@tmomail.net

US Cellular	[10-digit phone number]email.uscc.net (SMS)

[10-digit phone number]@mms.uscc.net (MMS)

Example: 1234567890@email.uscc.net

Verizon	[10-digit phone number]@vtext.com

[10-digit phone number]@vzwpix.com (MMS)

Example: 1234567890@vtext.com

Virgin Mobile USA	[10-digit phone number]@vmobl.com

Example: 1234567890@vmobl.com

Free Email To SMS Gateways (International + Smaller US)

These are all I could find from Wikipedia and other sources. If you’re aware of any other ones please share them in comments and I’ll add them to the list.

Carrier	Email to SMS Gateway

7-11 Speakout (USA GSM)	number@cingularme.com

Airtel (Karnataka, India)	number@airtelkk.com

Airtel Wireless (Montana, USA)	number@sms.airtelmontana.com

Alaska Communications Systems	number@msg.acsalaska.com

Aql	number@text.aql.com

AT&T Enterprise Paging	number@page.att.net

BigRedGiant Mobile Solutions	number@tachyonsms.co.uk

Bell Mobility & Solo Mobile (Canada)	number@txt.bell.ca

BPL Mobile (Mumbai, India)	number@bplmobile.com

Cellular One (Dobson)	number@mobile.celloneusa.com

Cingular (Postpaid)	number@cingularme.com

Centennial Wireless	number@cwemail.com

Cingular (GoPhone prepaid)	number@cingularme.com (SMS)

Claro (Brasil)	number@clarotorpedo.com.br

Claro (Nicaragua)	number@ideasclaro-ca.com

Comcel	number@comcel.com.co

Cricket	number@sms.mycricket.com (SMS)

CTI	number@sms.ctimovil.com.ar

Emtel (Mauritius)	number@emtelworld.net

Fido (Canada)	number@fido.ca

General Communications Inc.	number@msg.gci.net

Globalstar (satellite)	number@msg.globalstarusa.com

Helio	number@messaging.sprintpcs.com

Illinois Valley Cellular	number@ivctext.com

Iridium (satellite)	number@msg.iridium.com

Iusacell	number@rek2.com.mx

i wireless	number.iws@iwspcs.net

Koodo Mobile (Canada)	number@msg.koodomobile.com

LMT (Latvia)	number@sms.lmt.lv

Meteor (Ireland)	number@sms.mymeteor.ie

Mero Mobile (Nepal)	977number@sms.spicenepal.com

MetroPCS	number@mymetropcs.com

Movicom (Argentina)	number@sms.movistar.net.ar

Mobitel (Sri Lanka)	number@sms.mobitel.lk

Movistar (Colombia)	number@movistar.com.co

MTN (South Africa)	number@sms.co.za

MTS (Canada)	number@text.mtsmobility.com

Nextel (United States)	number@messaging.nextel.com

Nextel (Argentina)	TwoWay.11number@nextel.net.ar

Orange Polska (Poland)	9digit@orange.pl

Personal (Argentina)	number@alertas.personal.com.ar

Plus GSM (Poland)	+48number@text.plusgsm.pl

President’s Choice (Canada)	number@txt.bell.ca

Qwest	number@qwestmp.com

Rogers (Canada)	number@pcs.rogers.com

SL Interactive (Australia)	number@slinteractive.com.au

Sasktel (Canada)	number@sms.sasktel.com

Setar Mobile email (Aruba)	297+number@mas.aw

Suncom	number@tms.suncom.com

T-Mobile (Austria)	number@sms.t-mobile.at

T-Mobile (UK)	number@t-mobile.uk.net

Telus Mobility (Canada)	number@msg.telus.com

Thumb Cellular	number@sms.thumbcellular.com

Tigo (Formerly Ola)	number@sms.tigo.com.co

Tracfone (prepaid)	number@mmst5.tracfone.com

Unicel	number@utext.com

Virgin Mobile (Canada)	number@vmobile.ca

Vodacom (South Africa)	number@voda.co.za

Vodafone (Italy)	number@sms.vodafone.it

YCC	number@sms.ycc.ru

MobiPCS (Hawaii only)	number@mobipcs.net

UPDATES:

If you can’t find a gatewayd for your current provider here, check out following links:

•	http://www.tech-faq.com/send-text-messages-free.shtml

•	http://www.mutube.com/projects/open-email-to-sms/gateway-list/

•	http://www.notepage.net/smtp.htm

I found this a while back, see if it helsp you out.