Virtual Mailboxes and Mail Forwarding services TechSparx Living and Breathing in the modern world Virtual Mailboxes and Mail Forwarding services Details about USPS form 1583 the CMRA's don't tell you about (Tue Sep 06 2022 00:00:00 GMT+0300 (Eastern European Summer Time)) Signing up with a mail forwarding or virtual mailbox service requires filling out USPS form 1583. While the form looks to be simple, there are many details that can trip you up.
