Are you getting email from someone you don't want? You can block up to 500 email addresses from your settings in Yahoo Mail.
Block an email address
- Mouse over the Settings menu icon | select Settings.
- Click Blocked Addresses.
- Enter an email address in the "Add an address" field.
- Click Block.
Unblock an email address
- Mouse over the Settings menu icon | select Settings.
- Click Blocked Addresses.
- Click an email address in the list to select it.
- Click Remove.