Software Alternatives, Accelerators & Startups

Poste.io

Full featured email server built in docker with free plan.

Some of the top features or benefits of Poste.io are: User-Friendly Interface, Comprehensive Features, Quick Setup, and Open Source. You can visit the info page to learn more.

Poste.io

Poste.io Alternatives & Competitors

The best Poste.io alternatives based on verified products, community votes, reviews and other factors.
Filter: 12 Open-Source Alternatives. Latest update:

  1. 36

    An open source mailserver suite.

    Key mailcow features:

    Comprehensive Feature Set Open Source Docker-based Deployment Active Community and Support

    Open Source

    /mailcow-alternatives
  2. 34

    Mail-in-a-Box provides webmail and an IMAP/SMTP server for use with mobile devices and desktop mail software and also includes contacts and calendar synchronization.

    Key Mail-in-a-box features:

    Ease of Setup Full Control Cost-effective Open Source

    Open Source

    /mail-in-a-box-alternatives
  3. LetterBucket is the all-in-one platform for newsletters, built to deliver an exceptional user experience while making it effortless to grow and monetize your audience.

    Visit website freemium $19.0 / Monthly (1k subscribers)

    Visit website
  4. 25

    Mailu is a simple yet full-featured mail server as a set of Docker images.

    Key Mailu features:

    Open Source Lightweight Modularity Docker-based Deployment

    /mailu-alternatives
  5. 25

    Modoboa is a mail hosting and management platform including a modern and simplified Web User Interface.

    Key Modoboa features:

    Open Source Integration User-Friendly Interface Mail Security

    /modoboa-alternatives
  6. 21

    A fully fledged, free email server solution, an open source project (GPL v2).

    Key iRedMail features:

    Open Source Comprehensive Features Easy Installation Excellent Documentation

    Open Source

    /iredmail-alternatives
  7. 13

    Zimbra is trusted by over 500 million users to increase productivity with a complete set of collaboration tools while maintaining total control over security and privacy.

    Key Zimbra features:

    Open Source Cost-Effective Scalability Feature-Rich

    /zimbra-alternatives
  8. 13

    Web-based IMAP email client.

    Key Roundcube features:

    Open Source User-Friendly Interface Extensibility Security

    Open Source

    /roundcube-alternatives
  9. 15

    Self hosted modern mail server.

    Key WildDuck features:

    Open Source Modern Protocol Support Scalability Multi-domain Support

    Open Source

    /wildduck-alternatives
  10. 14

    Postfix Admin is a web based interface used to manage mailboxes, virtual domains and aliases.

    Key Postfix Admin features:

    User-Friendly Interface Virtual Domain Management Feature Rich Open Source

    /postfix-admin-alternatives
  11. 22

    Axigen is an integrated email, calendaring & collaboration platform, built on a Linux mail server technology.

    Key Axigen features:

    Integration Capabilities Security Features Cross-Platform Support User-Friendly Interface

    /axigen-alternatives
  12. 13

    Open-Xchange Server 6 is the most advanced Linux based Groupware solution f.

    Key OX Open-Xchange features:

    Open Source Integrated Suite Scalability Flexibility

    /ox-open-xchange-alternatives
  13. 11

    Simple, easy and secure mail server with a convenient and simple interface.

    Key Emails features:

    Cost-Effective Instant Delivery Wider Reach Easy to Document

    /emails-alternatives
  14. 10

    Postfix is a mail transfer agent (MTA) that routes and delivers electronic mail.

    Key Postfix features:

    Security Performance Compatibility Reliability

    /postfix-alternatives
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