Purchasing Postbox

Are the licenses per user or per machine?

Postbox licenses are per user, so one license will cover any/all machine(s) you personally use, Mac or PC. If more than one person will be using Postbox, then additional copies can be purchased at our Store.

Does a single license key work on a Mac or PC?

Yes! Your Postbox license will work on Mac, PC, or both.

Can I try Postbox before I purchase it?

Absolutely! Try Postbox for free for 30 days.

How do I retrieve a lost license key?

Please enter the email address used to purchase Postbox on this form and we'll send your license key to you right away.


What platforms does Postbox support?

At this time we support Windows 8 and 10, and macOS 10.13 and higher.

Do you have plans for a Linux version?

We do not have plans for a Linux version at this time, but we will continue to monitor demand.

What are the system requirements for Postbox?

Please visit our System Requirements page for details.

What languages are available for Postbox?

English, German, French, Spanish (Spain), English (British), Italian, Dutch, Portuguese (Brazilian), Russian, and Swedish. We will evaluate the demand for additional languages over time.

Can I use Postbox for Gmail, Yahoo mail, AOL mail, or other webmail accounts?

You bet! Postbox will work with any IMAP or POP email server.

Can I use Postbox to get mail from my Exchange server? 

Postbox currently supports POP3, IMAP, and SMTP protocols. If your administrator has those protocols turned on in Exchange, then you can use Postbox to send and receive mail from those servers. Postbox does not currently support native Exchange protocols at this time.

Does Postbox include a calendar?

Postbox does not contain a calendar. We're solely focused on providing you with the very best email experience possible.

Is there a Windows 64-bit version available?

Postbox on Windows is currently 32-bit, which can run in either 32-bit or 64-bit versions of Windows. We do not have a 64-bit version of Postbox available for Windows at this time.

Is there an option for PGP Encryption?

The 3rd-Party Enigmail for Postbox Labs project provides OpenPGP Encryption.

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