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.
In Yahoo! mail, to block the senders domain (hotmail.com): â Click on Options, upper right corner of mail page. â Then Mail Options. â Click on Spam from the list on the left. â In the Add a blocked address box, enter the domain (only the part of the email address AFTER @, do not include @).