The capability to transmit short message service (SMS) messages to AT&T wireless subscribers using an email platform enables an alternative communication method. This involves composing an email, addressing it to the recipient’s ten-digit mobile number followed by “@txt.att.net,” and sending. The recipient receives the email content as a text message on their mobile device.
This function provides several advantages, including facilitating communication when a dedicated SMS application is unavailable or inconvenient. It can also serve as a backup communication method in situations with limited cellular service but available Wi-Fi connectivity. Historically, this functionality emerged as a means of bridging the gap between email and emerging mobile communication technologies, offering a degree of interoperability between different platforms.