Simple, Clear and Powerful
All your email accounts in one place,
easy organization, fast search, and a beautiful UI.
macOS + Windows
Meet Postbox 7.0
The most powerful, beautiful, and fully-featured email app that's also easy to use.
See All Your Accounts in One Place
Group Your Accounts
Organize your accounts into groups, then access unified inboxes within each group.
Quickly Access Favorite Folders
Get fast access to your go-to folders and accounts in the Favorites Bar.
View Inboxes in Separate Tabs
Like a web browser, open your inboxes, folders, or messages in tabs, then quickly switch between them.
Find Anything and Everything
Find Things Fast
Find things in a flash with Postbox's ultra-fast search engine.
Find Exactly What You Need
Customize searches by sender, subject, date range, or other attributes.
Find Files and Images
Search for all the files and images hiding in your email. You'll discover things you didn't know you had!
Move Mountains of Messages
Tackle the Busiest of Inboxes
Triage new messages faster with a full suite of keyboard shortcuts, macros for common actions, rules, and intuitive swipe actions on macOS.
Easily organize large inboxes by tag or Gmail label.
Find and view the messages you need using Postbox's powerful search engine and one-click filter views.
Choose from 24 Beautiful Themes
Pixel-Perfect, Light and Dark Themes to Fit Any Mood
Customize Your Email, Your Way
Work the Way You Want To
Customize Postbox's interface just the way you want it. Display messages in vertical and horizontal views, organize folders in the Favorites Bar or Tabs, or pin important emails to the top of your message list.
Extend Postbox's functionality through Postbox Labs, a place for 3rd-party code such as OpenPGP encryption and Import & Export Tools.
Power Through Your Day
Send Large Files Fast
Send links to large files in Dropbox, Box, and OneDrive, instead of the files themselves.
Easily Reuse Attachments
Browse files or images in the compose window, reuse with just a click.
Keep Yourself on Target
Track the time and effort you spend composing messages.
Use Pro-Class Composition Tools
Reuse Common Responses
Insert pre-canned snippets of text, images, or blocks of HTML with just a few keystrokes.
Always Send from the Correct Account
Postbox highlights contacts when you address a message from the wrong account.
Edit in HTML
Edit directly in HTML using our advanced code editor.
Discover why our customers think Postbox is the best email app for Mac and Windows.