If you purchased a Postbox 5 license key on or after March 1st, 2016, or a Postbox Lifetime Key on or before July 31st, 2010, then you already have a Lifetime License, and no purchase is …
![[Windows, Mac] Postbox 6.0 Free Upgrade from 5.0 @ Postbox Inc](https://files.ozbargain.com.au/n/87/373287.jpg?h=6274e055)
