Postbox Alternatives

Postbox has been discontinued. Similar apps include Thunderbird, which is free and open source. Other options are Microsoft Outlook, Evolution, eM Client and Apple Mail. There's no shortage of Email Clients like Postbox, with more than 50 alternatives for Mac, Windows, Linux, Android and iPhone.

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Alternatives
Postbox alternatives page was last updated

Alternatives list

  1. WunderMail icon
     2 likes

    The missing native desktop client for Gmail on Windows 10.

    Cost / License

    • Freemium
    • Proprietary

    Application type

    Since

    • Since 2018

    Alerts

    • Discontinued

    Platforms

    • Windows
    • Gmail
    Good alternative?
     
  2. Mail Backup X icon
     6 likes

    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.

    Cost / License

    • Freemium
    • Proprietary

    Application type

    Since

    • Since 2016

    Platforms

    • Mac
    Good alternative?
     
  3. Mia for Gmail icon
     5 likes

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

    Cost / License

    • Freemium
    • Proprietary

    Application type

    Since

    • Since 2015

    Platforms

    • Mac
    Good alternative?
     
  4. Multi-Account Zoho client for Mac.

    Cost / License

    • Paid
    • Proprietary

    Application type

    Since

    • Since 2020

    Platforms

    • Mac
    • Zoho Mail
    Good alternative?
     
  5. sup icon
     13 likes

    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

    Since

    • Since 2011

    Platforms

    • Linux
    Good alternative?
     
  6. Trojitá icon
     17 likes

    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

    Since

    • Since 2013

    Alerts

    • Discontinued

    Platforms

    • Windows
    • Linux
    Good alternative?
     
  7. Mynigma icon
     2 likes

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

    Cost / License

    • Free Personal
    • Proprietary

    Application type

    Since

    • Since 2014

    Alerts

    • Discontinued

    Platforms

    • Mac
    • iPhone
    • iPad
    Good alternative?
     
  8. Columba icon
     5 likes

    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

    Since

    • Since 2015

    Alerts

    • Discontinued

    Platforms

    • Windows
    • Mac
    • Linux
    • BSD
    Good alternative?
     
  9. Clyton icon
     1 like

    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
    • Proprietary

    Application type

    Since

    • Since 2018

    Platforms

    • Windows
    • US flagUnited States
    Clyton screenshot 1
    Good alternative?
     
  10. EmailTray icon
     3 likes

    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

    Since

    • Since 2014

    Platforms

    • Windows
    • Android
    Good alternative?
     
  11. meli icon
     1 like

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

    Cost / License

    Application type

    Since

    • Since 2019

    Platforms

    • Linux
    Good alternative?
     
  12. ProfiMail icon
     3 likes

    ProfiMail is a powerful email client for mobile phones. It allows you to read your mail on the go, and send text with attachments directly from your phone. Send photos, recorded sound or simply text messages to friends, from anywhere.

    Features:

    • Folders tree hierarchy - see al.

    Cost / License

    • Freemium
    • Proprietary

    Application type

    Since

    • Since 2011

    Platforms

    • Android
    • Android Tablet
    • Windows Mobile
    • Symbian S60
    Good alternative?
     
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