If you don't have an email address for a person or they don't check email that often, you can still send email to their cell phone (comes to each person as a text message on their phone). Many people in the "mature crowd" have a cell phone, but don't use email at all. Now you can reach out to them more often via email.
Keep in mind people have a limited amount of characters they can receive in each text message. So keep email messages short to about 200 characters. That's enough to send a brief reminder about upcoming events, meetings or emergency alerts to multiple cell phones as part of email sends.
As long as you know the person's cell phone provider, you can use the formats below, employing your regular email system.
T-Mobile: phonenumber@tmomail.net
Virgin Mobile: phonenumber@vmobl.com
Cingular: phonenumber@cingularme.com
Sprint: phonenumber@messaging.sprintpcs.com
Nextel: phonenumber@messaging.nextel.com
Alltel: phonenumber@message.alltel.com
AT&T: phonenumber@mms.att.net
SunCom: phonenumber@tms.suncom.com
VoiceStream: phonenumber@voicestream.net
Verizon: phonenumber@vtext.com (text only)
phonenumber@vzwpix.com (pictures and videos)
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I had come accross this some time ago, but did not store it. What is
the email for AT&T?
Good question. For AT&T cells phones the email address is phonenumber@txt.att.net