How to rent a US mailbox? Whether moving to a new address permanently or just going on an extended vacation, having your US mail forwarded to your new location ensures you receive important correspondence. Forwarding your US mail and US Packages also prevents mail from piling up in your box, a sign to thieves that you’re away from home. MyUSpostoffice.com can provide you with a US address to collect all your mail and online purchases and forward them anywhere in the world. Have your mail follow you!