Ever wanted to send someone a text from an email message? Those of us of a certain age that don’t want to do a lot of typing on our phones and are at our computers can use these simple gateways. Just enter the phone number and the rest of the email address here, and it will be sent to the appropriate phone.
ATT firstname.lastname@example.org (no leading 1, just ten digits)
T Mobile email@example.com (start with the number 1 and then use all ten digits)