Add or remove a send-only email address

From your webmail inbox:

1. Select the gear  and then More Settings.
2. Choose Mailboxes, then the down arrow after Send-only email address.
3. Select Add, enter an email address, then select Next.
4. Check that email’s inbox and verify the email address. 
5. Enter a description in AT&T Mail’s Send-only email address section then enter a reply-to name and email address, and finally select Save.

Good to know: When you reply to an email thread, it’ll show your reply-to name and email address. Don’t want your main email address to show? Find out how to create a disposable email address.