I'm new to T-Mobile, but I've Googled this question and read to use my phone number with @tmomail.net as the address to send to my phone.
Every time I try, it comes back with the 550 error.
What am I doing wrong?
Best answer by cterrian
I use Gmail. I was previously with AT&T, and created a contact called "My
Cell phone" with the email email@example.com. This worked for years.
When I switched to T-Mobile, I changed the contact email to
This is where the problem started. Even though I changed the address, it
would not work. I've since deleted the contact and used
firstname.lastname@example.org, and it works now. Thanks for the update.