Postbox now supports macOS Sharing and Image Effects within the Compose window!
The place for Postbox news and product updates.
We're thrilled to announce our newest release, Postbox 5, now available for Windows and macOS. This is our best release yet! Learn more...
At last. We're so excited to finally get Postbox 4 into your hands. It's the same Postbox you know and love, but even more so. We know that having this much power at your fingertips is going to feel good.
We’re thrilled to almost announce the hotly anticipated release of Postbox 4! While we don’t want to spoil the surprise, we put together this FAQ for the information we can share at this time.
With Sparrow exiting the market, we've been receiving lots of questions about Postbox in the Mac App Store. Earlier versions of Postbox 2 were available in the Mac App Store, but we discontinued sales through this channel when Postbox 3 was released. For new Mac-only developers, the Mac App Store is a terrific way to go. It's great for product discovery,...