Change your default sending address in Yahoo Mail
The default sending account is the email address that pre-populates as the "From" address when you create a new message.
If you have an extra email address set up, or another email address linked to your Yahoo Mail account, you can choose to use one of these as your default sending address. This means that when someone receives an email from you, the "From" address that appears will be the one you selected.
Change your default sending address
- Mouse over your Settings menu icon | select Settings.
- Click Writing email.
- In the "Default sending account" drop-down menu, select your extra email address.
- Click Save.