Postbox Alternatives

Postbox is described as 'Email application that helps you organize your work life and get stuff done' and is a very popular Email Client in the office & productivity category. There are more than 50 alternatives to Postbox for a variety of platforms, including Windows, Mac, Linux, Android and iPhone apps. The best Postbox alternative is Thunderbird, which is both free and Open Source. Other great apps like Postbox are Microsoft Outlook, Evolution, eM Client and Spark Mail.

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Alternatives list

  1. Mail for Gmail icon

    Mail for Gmail

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    Enjoy all the advantages of accessing your Gmail account, separate from your browser:

    Cost / License

    • Free
    • Proprietary

    Application type

    Platforms

    • Mac
    Mail for Gmail screenshot 1
     
  4. sup icon

    sup

     13 likes
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    Sup is a console-based email client for people with a lot of email. It supports tagging, very fast full-text search, automatic contact- list management, custom code insertion via a hook system, and more.

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Linux
    search & results
     
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    Mailbird icon
    Mailbird

    Streamline your email experience by managing multiple accounts, integrating apps like Slack and Google Calendar, and using AI-driven features like drafting and spam prevention. Customize your workspace with themes, notifications,...

    https://www.getmailbird.com
    Learn More
  6. Mail Backup X icon

    Mail Backup X

     6 likes
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    Your one stop mail backup and archiving tool for Mac. Automatically backup mails from Apple Mail, Outlook for Mac, Office 365 for Mac, Thunderbird, Postbox, Gmail, Yahoo and other mail services supporting IMAP and POP service directly on your Mac.

    51 Mail Backup X alternatives

    Cost / License

    • Freemium
    • Proprietary

    Application type

    Platforms

    • Mac
    Easy to setup mail backup app yet packed with advanced features.
     
  7. Mia for Gmail icon

    Mia for Gmail

     5 likes
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    A desktop email client for your Mac, without a browser !.

    Cost / License

    • Freemium
    • Proprietary

    Application type

    Platforms

    • Mac
    Mia for Gmail screenshot 1
     
  10. Columba icon

    Columba

     6 likes
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    Columba is an email client written in Java, featuring a user-friendly graphical interface with wizards and internalionalization support. Its a powerful mail management tool with features to enhance your productivity and communication.

    Cost / License

    • Free
    • Open Source

    Application type

    Alerts

    • Discontinued

    Platforms

    • Mac
    • Windows
    • Linux
    • BSD
    Columba screenshot 1
     
  11. Mynigma icon

    Mynigma

     2 likes
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    Mynigma is a new kind of email client with built-in encryption.

    Cost / License

    • Free Personal
    • Proprietary

    Application type

    Alerts

    • Discontinued

    Platforms

    • Mac
    • iPhone
    • iPad
    Mynigma screenshot 1
    Mynigma screenshot 2
    Mynigma screenshot 3
     
  12. Trojitá icon

    Trojitá

     17 likes
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    Trojitá, is a fast Qt IMAP e-mail client that respects open standards and facilitates modern technologies. Trojitá values vendor-neutrality that IMAP provides and is committed to be as interoperable as possible.

    Cost / License

    • Free
    • Open Source

    Application type

    Alerts

    • Discontinued

    Platforms

    • Windows
    • Linux
    Home
     
  13. Clyton icon

    Clyton

     1 like
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    Clyton is an email client with advanced security and spam filtering features. Although priced for the general public, Clyton possesses the reliability and security required by businesses.

    Cost / License

    • Freemium (Pay once)
    • Proprietary

    Application type

    Platforms

    • Windows
    Clyton screenshot 1
     
  14. EmailTray icon

    EmailTray

     3 likes
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    EmailTray is a smart email client and an email notifier for POP3 and IMAP email accounts, including Gmail, Hotmail, Yahoo mail and AOL. EmailTray intelligently ranks messages, prioritizes them into 4 Inboxes and alerts you only to the most important.

    Cost / License

    • Free
    • Proprietary

    Application type

    Platforms

    • Windows
    • Android
    EmailTray screenshot 1
     
  15. meli icon

    meli

     1 like
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    Experimental terminal mail client aiming for configurability and extensibility with sane defaults.

    45 meli alternatives

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Linux
    meli screenshot 1
     
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