Generally, employers may use Global Positioning Systems (GPS) devices to track employees in employer-owned vehicles. While few courts have addressed GPS tracking, most have held that employers may use GPS tracking devices on company-owned equipment, where the employee does not have a reasonable expectation of privacy.
To add an email's sender or recipient to your Yahoo! Mail address book 1  : Open the message. 2  Click Show Details if you see it. 3  Click the + next to any name or email address you want to add to your Yahoo! Mail contacts. 4  Check and possibly correct the name as it appears under First, Middle and Last. 5  Click Save.
To add an email address to the list of blocked senders in Yahoo! Mail Classic: 1  Make sure Mail Options is selected in the top Yahoo! 2  Mail Classic navigation bar. 3  Click Go. 4  Open the Spam category. 5  Enter the email address you want to be blocked under Add a blocked address: (in the Blocked Email Addresses: section).