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.
1. Sign in to your Yahoo Mail account. MORE: How to Move from Yahoo Mail to Gmail. 2. Open any email from the offending sender. (If you already know this person's email address, you can skip to step 5). 3. Click the sender's name at the top of the message. 4. Select Copy Address. 5. Click the gear icon at the top right. 6. Select Settings. 7. Choose Blocked Addresses. 8.