hMailServer alternatives

Nearest on its board

1. 13
   PM

   Pegasus Mailpmail.com

   Pegasus Mail is a free, standards-based email client for one or multiple users on a computer or local area network.

   6.0 APIOpenFree Free tier
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2. 15
   PI

   poste.ioposte.io

   Poste.io is a self-hosted email server with web administration, webmail, spam protection, and mail server components in one Docker container.

   6.0 APIOpenFree Free tier · from $349/yr
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3. 12
   DM

   Docker Mailserverdocker-mailserver.github.io

   Docker Mailserver is a production-ready full-stack mail server providing SMTP, IMAP, LDAP, anti-spam and anti-virus in a container.

   6.0 APIOpenFree Free tier
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4. 16
   ZC

   Zimbra Collaborationzimbra.com

   Zimbra is an enterprise email and collaboration suite with email, calendar, contacts, tasks, and file sharing.

   6.0 APIOpenFree Free tier
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5. 11
   M

   Modoboamodoboa.org

   Modoboa is an open-source platform for installing and managing a self-hosted email server.

   6.1 APIOpenFree Free tier · from €139/yr
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6. 17
   CI

   Cyrus IMAPcyrusimap.org

   Cyrus IMAP is an email, contacts, and calendar server.

   5.9 APIOpenFree Free tier
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7. 10
   P

   Postfixpostfix.org

   Postfix aims to be fast, easy to administer, and secure.

   6.1 APIOpenFree Free tier
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8. 18
   MM

   Maddy Mail Servermaddy.email

   Maddy implements the functionality to send and receive email over SMTP and store messages with IMAP access.

   5.9 APIOpenFree Free tier
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9. 9
   MI

   Mail-in-a-Boxmailinabox.email

   Mail-in-a-Box turns a fresh cloud computer into a mail server that lets users run their own email service.

   6.1 APIOpenFree Free tier
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10. 19
    AJ

    Apache Jamesjames.apache.org

    Apache James is a modular mail server running on the JVM.

    5.9 APIOpenFree Free tier
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11. 8
    E

    Eximexim.org

    Exim is a mail transfer agent for hosts running Unix or Unix-like operating systems.

    6.2 APIOpenFree Free tier
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12. 20
    D

    Dovecotdovecot.org

    Dovecot Community Edition is an open-source email server.

    5.8 APIOpenFree Free tier
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13. 7
    M

    Mailumailu.io

    The project aims to provide an easily set up and maintained full-featured mail server without proprietary software or unrelated groupware features.

    6.2 APIOpenFree Free tier
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14. 21
    ME

    Microsoft Exchange Onlinemicrosoft.com

    Exchange Online is hosted email for business, with email, calendar, and contacts accessible across major browsers and devices.

    5.6 APIOpenFree —
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15. 6
    I

    iRedMailiredmail.org

    iRedMail is open-source software for deploying a full-featured mail server.

    6.2 APIOpenFree Free tier · from $10/yr
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16. 22
    G

    grommuniogrommunio.com
    5.6 APIOpenFree Free tier · from €1.99/mo
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17. 5
    SM

    Stalwart Mail Serverstalwart.email

    Stalwart is an open-source mail and collaboration server for email, calendars, contacts, and shared files.

    6.3 APIOpenFree Free tier · from $1.09/yr
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18. 23
    W

    Whitemailwhitemail.io
    5.1 APIOpenFree Free tier
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19. 4
    S

    SmarterMailsmartertools.com

    SmarterMail is an email, groupware, and collaboration server positioned as an alternative to Microsoft Exchange.

    6.3 APIOpenFree Free tier · from $500/yr
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20. 24
    K

    KumoMTAkumomta.com
    5.1 APIOpenFree Free tier · from $5,000/yr
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