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What is the SOGo Webmail extension?

Daniel Yordanov
Updated
Plesk for Windows kb: how-to Plesk for Linux

Applicable to:

  • Plesk for Linux
  • Plesk for Windows

Question

What is the SOGo Webmail extension?

Answer

SOGo Webmail puts components on the Plesk server and uses IMAP and SMTP of the Plesk server. Everything else is carried inside the extension. SOGo works as a Webmail option in addition to Roundcube/Horde in the subscriptions.
 
Known limitations

  • Authentication
    • Only "sym" passwords can be used for authentication (symmetric hash, default configuration), "crypt" hashes will result in authentication failure.
  • Packaging. Plesk installs the SOGo Webmail from OS vendors repos (in the extension, we call it “stable” if they available there).
    • Nightly packages' compatibility is not guaranteed. Nightly packages are only available on RHEL 8, RHEL 9, Debian 11, Debian 12, Ubuntu 20.04 and Ubuntu 22.04
    • Stable packages are only available on RHEL 8, RHEL 9, Debian 11, Debian 12, Ubuntu 20.04 and Ubuntu 22.04
  • Miscellaneous
    • At the moment, the extension is only available in English.
    • Dovecot IMAP server is required, compatibility with Courier IMAP was not tested.
    • Backup/migration is not fully implemented at the moment.
    • SOGo database must be stored on the same host as the Plesk database.

 

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Comments

4 comments
Date Votes
  • Avatar
    Michel vd Lingen

    Please add support for CloudLinux 8.x (and also CloudLinux 9.x). With Horde stopping we need an (extra) alternative for our customers. TY.

    2
  • Avatar
    Richard Kepley
    (Edited )

    Good information here: 

    https://support.plesk.com/hc/en-us/articles/13302816998039-What-is-the-SOGo-Webmail-extension geometry dash

    0
  • Avatar
    Michel vd Lingen
    • Nightly packages are only available on AlmaLinux 8, AlmaLinux 9, Rocky Linux 8, RHEL 8, Debian 10, Debian 11, Ubuntu 18.04, and Ubuntu 20.04.

    Bad…

    1
  • Avatar
    Alexander Neck

    Still not availible for Cloudlinux 8 :( will this be availible on CL? 

    [root@231 ~]# plesk bin extension -i sogo 
[2026-09-30 12:03:17.107] 1795971:6abcde651a0d2 ERR [extension/sogo] The execution of pre-install.php has failed with the following messa
ge: 
The current OS is not supported. The following distributions are supported: AlmaLinux 8, AlmaLinux 9, CentOS 7, Debian 10, Debian 11, Deb
ian 12, Debian 13, RedHat 7, RedHat 8, RedHat 9, Rocky 8, Rocky 9, Ubuntu 18.04, Ubuntu 20.04, Ubuntu 22.04, Ubuntu 22.04 for ARM, Ubuntu
24.04. 
exit status 1
    0

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