Postbox 4's new Composition Goals feature will keep you on track and saving time.
The place for Postbox news and product updates.
It's all too easy to send a message to a different email address than the one you really want, or to send a message from an account you didn't intend to use. Postbox 4 has a brilliant new feature called "Domain Fencing" that keeps you from making these kind of mistakes.
No one likes to wait for large email attachments to download. A better solution is to send links to the files—shared from a cloud file service such as Dropbox, OneDrive, or Box—instead of the attachments themselves.
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.
While we’re removing some services from Postbox 3, we’re adding support for new services in Postbox 4 which we know you’ll love. Read on to learn more...