AT&T Email-to-Text Service ended: Why SIGNL4 is the Best Alternative
In a move that caught many businesses and IT teams off guard, U.S. mobile carrier AT&T officially discontinued its email-to-text gateway service. ATT email to text was shut down on June 17, 2025 ( read more ). This change means that sending sms messages and mobile text alerts to AT&T subscribers using the format number@txt.att.net or number@mms.att.net no longer works.