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 lightning fast and easy to use.
All Your Accounts in One Place
Organize Accounts into Groups
Keep your work and personal accounts separate using Groups, then unify your mail views within each group.
Create Favorite Folders
Get fast access to your go-to folders in the Favorites Bar.
View Messages in Tabs
Like a web browser, open your inboxes, folders, or messages in Tabs, then quickly switch between them.
Works with Any IMAP or POP Account
Gmail, GSuite, iCloud, Yahoo, Office 365, Outlook, Hotmail Fastmail, ProtonMail, and many more!
Lightning Fast Search
Spend Less Time Searching
Find things in a flash with Postbox's ultra-fast Search Engine.
Easily Create Advanced Queries
Customize searches by sender, subject, date range, or other attributes.
Find Files and Images
Search for files and images hiding in your email accounts, then easily download or reuse them.
Inbox Zero in Record Time
The Best Tool for Busy 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.
24 Beautiful Themes
Pixel-Perfect, Light and Dark Themes to Fit Any Mood
Email that Works the Way You Do
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.
Fast Message Composition
Send Large Files Fast
Send links to large files in Dropbox, Box, and OneDrive, instead of the files themselves.
Quickly Reuse Attachments
Browse files or images in the compose window, reuse with just a click.
Keep Yourself on Target
Track the amount of time and effort you spend composing messages.
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
Receive a warning when you address a message from the wrong account.
Edit in HTML
Edit directly in HTML using our advanced code editor.
Email Privately and Securely
We're serious about protecting your privacy and keeping you safe.
- We do not store your email messages or passwords on our servers
- We do not read your emails or serve you ads
- We do not implement features that invade your privacy
- We help keep you safe from phishing and malware
- We warn you if someone is trying to track your behavior
- Free OpenPGP encryption through Enigmail, a 3rd-party Labs Project
Discover why our customers think Postbox is the best email app for Mac and Windows.