Yahoo and Tumblr accounts through email addresses with the following domains: att. In short, if you want to use your AT& T- friendly email to access Yahoo’s services like Flickr and Tumblr, you’ll need to change your email address and create a Yahoo ID. The change might come as a surprise to AT& T users, who have been able to use their emails to access a variety of Yahoo- branded services despite the non- Yahoo email address. If you’re tired of spending all of your time writing email, or feel like your email requests never. Flickr users will have to visit an email transfer page, while Tumblr users can change their email address in their settings page.
Not every Yahoo service will support an email transfer, however, and may require you to create a new Yahoo ID without the benefit of saving your past data.