146 Like

Postbox

The Power Email App for busy professionals, like you. Created by Postbox, Inc.

Commercial $ $ $
Mac
Windows

Postbox is not available for Linux but there are plenty of alternatives that runs on Linux with similar functionality. The most popular Linux alternative is Thunderbird, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 50 alternatives to Postbox and many of them are available for Linux so hopefully you can find a suitable replacement. Other interesting Linux alternatives to Postbox are Mailspring (Freemium), Evolution (Free, Open Source), Geary (Free, Open Source) and Claws Mail (Free, Open Source).

MORE APP INFO Official website

Reviews 9

Alternatives to Postbox for Linux with any license

Shift Sponsored

Shift is the workstation for productive people. Trusted by hundreds of thousands of productivity enthusiasts around the world, Shift streamlines your workflows so you can get things done more efficiently.

Freemium $ $ $ Mac Windows Linux
Unified search Multiple Account support Quick switching using hotkeys Unified inbox ... Android Sync Cross account search Extensions Gmail integration Google Apps integration Apps that Sync with Google Calendar Google Drive integration Sync with Google Drive GSuite Integration Multiple Account support Outlook integration Salesforce integration Add a feature

29 Like
Thunderbird

Thunderbird is a free, open source, cross-platform e-mail, news and instant messaging client. The project strategy is modeled after Mozilla Firefox.

Free Open Source Mac Windows Linux BSD PortableApps.com ... Haiku
Support for IMAP Extensible by Plugins/Extensions SMTP integration Built-in RSS reader ... Multiple Account support Add-ons Calendar integration Encryption Extensions Desktop interface Gui Integrated Web Browser Intuitive Night mode/Dark Theme Protected by Password Plugins Support for POP3 Tabs Built-in Calendar Categories Customizable Delivery reports Extensible by Plugins/Extensions Free API Gmail integration Google Calendar integration Import from Google Reader HTML Compose Integrated Chat Integrated Password Manager Legacy addons support Export to OPML Import feeds from OPML Organize mails POP3 Support Portable Secure File Sharing Tabbed interface Support for Themes Add a feature

2043 Like
Mailspring

Boost your productivity and send better email with Mailspring, a beautiful, fast email client for Mac, Windows, and Linux. Mailspring is free to use and an optional pro...

Freemium $ $ $ Mac Windows Linux Arch Linux Fedora ... Ubuntu
Unified inbox Multiple Account support Customizable Email tracking ... Night mode/Dark Theme Ad-free Auto update Beauty and fluid interface Built-in themes Notifications Sidebar Snooze mail Theme Customization Support for Themes User friendly Drag n drop Electron based Email Analytics Extensible by Plugins/Extensions Support for IMAP Threaded Conversations Add a feature

77 Like
Evolution

Evolution is a personal information management application that provides integrated mail, calendaring, address book and task list functionality.

Free Open Source Linux BSD S/MIME GNOME OpenPGP
Calendar integration CalDAV Calendar view CardDAV ... Contacts Exchange Apps that Sync with Google Calendar Support for WebDAV Built-in RSS reader Encrypted Email Integrated Spam Protection Multiple languages POP3 Support Reminders Add a feature

175 Like
Geary

Geary is an email application built around conversations, for the GNOME 3 desktop.

Free Open Source Linux Chrome OS BSD GNOME
Multiple Account support Gmail integration Support for IMAP Night mode/Dark Theme ... SMTP Add a feature

86 Like
Claws Mail

Claws Mail is an email client (and news reader), based on GTK+, featuring Quick response Graceful, and sophisticated interface Easy configuration...

Free Open Source Windows Linux BSD
Lightweight Built-in RSS reader Content Filtering Customizable ... Extensible by Plugins/Extensions Support for IMAP Integrated Email Client Multiple languages Multiple Account support Add a feature

88 Like
Mutt

Mutt is a small but very powerful text-based mail client for Unix operating systems. Some of its features are: color support, message threading, MIME support (including...

Free Open Source Mac Windows Linux Xfce
Text-based Command line Command line interface Support for IMAP ... POP3 Support S/MIME support Add a feature

61 Like
Kontact - KMail

KMail is the email component of Kontact, the integrated personal information manager of KDE. Kontact is a personal information manager and groupware software suite for...

Free Open Source Linux BSD
Encryption methods Add a feature

39 Like
Sylpheed

Sylpheed is a simple, lightweight but featureful, and easy-to-use e-mail client (mailer, MUA). Sylpheed runs on many systems such as Windows, Linux, BSD, Mac OS X and...

Free Open Source Mac Windows Linux BSD PortableApps.com
Lightweight POP3 Support Portable Add a feature

58 Like
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Kontact

Kontact is the integrated Personal Information Manager of KDE. Kontact suite unites mature and proven KDE PIM applications under one roof. Thanks to the powerful...

Free Open Source Linux
Google integration Contacts Convert Email to Task Feed Reader Add a feature

32 Like
Shift

Shift is an email client that makes navigating between Mail, Calendar, Drive + your favorite Apps & Extensions easy (for Gmail, Outlook.com - Office 365 &...

Freemium $ $ $ Mac Windows Linux
Unified search Multiple Account support Quick switching using hotkeys Unified inbox ... Android Sync Cross account search Extensions Gmail integration Google Apps integration Apps that Sync with Google Calendar Google Drive integration Sync with Google Drive GSuite Integration Multiple Account support Outlook integration Salesforce integration Add a feature

29 Like

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