Straight Talk is a brand owned by North American cell phone carrier TracFone Wireless. You can send both short-message service or multimedia service text messages to a Straight Talk customer by using a regular email client on your computer or mobile device and sending the message to a specific email address.
Open your email application. Alternatively, open your Internet browser and log in to a Web-based email provider.
Create a new email message by clicking on "New." Type the content of your message in the "Body" field.
Send the message via SMS to the Straight Talk customer by typing "firstname.lastname@example.org," where "cellnumber" is the phone number of your contact, in the "To" field. Click on "Send."
Send the message via MMS by typing "email@example.com," where "cellnumber" is your contact's phone number, in the "To" field. Select "Send."