How to Text to T-Mobile From a Computerby C. Taylor
T-Mobile offers two methods of sending SMS text messages from your computer to a T-Mobile subscriber. If you are currently a T-Mobile customer and have a My T-Mobile account, you can access the online messaging tool to send messages to other T-Mobile customers. However, T-Mobile also converts specially-formatted emails sent to a T-Mobile cellular number into an SMS text message and delivers it directly to the customer's phone.
Online Text Service
Log in to your My T-Mobile Account.
Point to the "MobileLife" menu option and click "E-Mail and Text Tools."
Click "Send a Text Message."
Enter your phone number in the "From" field and the recipient's phone number in the "To" field.
Enter up to 129 characters in the "Message" field and click "Send."
Open your email program or log in to your online email account.
Compose a new email.
Enter the recipient's T-Mobile phone number -- without punctuation -- followed by "@tmomail.net" in the "To" field. As an example, to send a message to 555-555-5555, enter: email@example.com
Compose an email up to 160 characters in length and click "Send."
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