The USPS marks this week as Mailbox Improvement Week. Here's how the Postal Service wants you to keep your mailbox in shape.

"When mailboxes are appropriately constructed ... "Customers avoid a trip to the Post Office, which saves fuel and reduces carbon emissions." The USPS did not immediately respond to a request ...

"Customers avoid a trip to the Post Office, which saves fuel and reduces carbon emissions." The USPS did not immediately respond to a request for comment. What mailbox improvements does the USPS ...