To prevent future emails from the same sender from going to the Spam folder automatically, you need to mark the email as "Not Spam"
- Navigate to Yahoo Mail, log in to your account.
- Click the Spam folder.
- If you don't see the "Spam" folder, click More below the "Sent" folder.
- Select the email.
- Click Not Spam at the top of the page.
-The email will return to your Inbox.