Plesk Premium Email – Powered by Kolab

Provide a wider range of advanced mail and collaboration services to your customers with Plesk Premium Email, powered by Kolab.

With this Open Source Groupware server you can:

  • Integrate calendars, tasks, files, notes, and contacts into your email offering
  • Enable your users to share mail and files with colleagues and work in teams on common tasks
  • Allow users to synchronize their schedules, notes, contacts with mobile devices
  • Add more functionality to your web client without sacrificing any of the attractiveness
  • Connect to Kolab using popular groupware clients, such as Outlook Thunderbird and Kmail
  • Protect your web mail against Cross-Site Request Forgery attacks and other threats that make other services insecure
  • Make your web mail and online collaboration suite faster and more responsive thanks to Kolab’s smart asset delivery system

Plesk Premium Email is powered by Kolab, the popular fully-featured Open Source secure mail and collaboration server. At its core, it provides all the features associated with a top tier collaboration servers, such as email, calendar, contacts, tasks, notes and files.

Kolab helps increase the productivity and coordination of teams through its advanced sharing, scheduling and collaborative features. Users can synchronize
their agendas across devices, including iOS, Android, MacOS X, Windows and Linux.

The Kolab web client is intuitive and clear, and its Open Source web client mail module, Roundcube, is used by millions of users daily. It is also much safer than any other alternative because it protects your users against Cross-Site Request Forgery attacks and other threats that make other services insecure. It is also faster and more responsive thanks to its smart asset delivery system.

Kolab is also compatible with most popular desktop clients, such as Outlook 2013+, Thunderbird, Apple Mail, eM Client, Kmail and many more.

Functions provided by Plesk Premium Email powered by Kolab:

  • Powerful email server, including access via IMAP/POP3/SMTP
  • Scheduling / Calendars
  • Contacts / Address book
  • Cloud file storage, including access via WebDAV
  • Tasks
  • Notes
  • Attractive, modern web client
  • Compatibility with Outlook 2013 and above, Apple Mail, Thunderbird and
    others

Plesk Version and Component Support

This extension supports Plesk Onyx (and later) with Dovecot and Postfix on the
following platforms;

  • CentOS 7
  • Debian 8
  • Red Hat Enterprise Linux 7

All Features

 MailResource managementTaggingGlobal address bookEvent recurrence
ContactsWeb file viewFull-text searchWeb adminAttach files from cloud
CalendarsWeb applicationSpam filteringCLI adminWhite labeling
NotesDesktop appsVirus scanningPuppet managementHigh availability config
TasksActiveSyncServer-side mail filtersVMs and/or dockerUser quotas
Files WebDav Event invitations Mail archivalOffice document editing (coming soon)
Sharing of any object CardDav HTML/Plain text email Strong cryptoInstant Messaging (coming soon)

ACL-based access

 CalDav Distribution groups Multi-domainVideo conference (coming soon)
LDAP/Active Directory Audit trail Free/busy Identities
 Delegation IMAP filter/proxy Autocomplete Calendar “quick view”
Month/week/agenda views Unlimited folder hierarchies PGP and S/MIME supportGeo-dist data center support
RequiresPlesk 17.0.17 and up
DeveloperKolab Systems AG
Category Mail
Security