Do you want assistance to resolve the email sending error? You can simply use AT&T customer care number 1-844-794-2515 to find the experts help. The trained experts of customer care are 24 X 7 ready to assist their customers.
Visit here:
https://www.customer-support-tollfree.com/att-customer-support/
Phone
(800) 234-6190
Address
san francisco california San Francisco, California 94111