A Plesk installation normally uses Dovecot, Postfix, SpamAssassin and Roundcube to provide your users with a complete mail stack. Regular tests shipped with SpamAssassin of course detect spam, and can mark it as such or even move the spam out of the user’s INBOX. But what happens with the spam that goes undetected? What happens […]
This article outlines the use of the Plesk Premium Mail extension‘s subscription management functionality, for Plesk installations large and small of all editions.
In an otherwise unmodified Plesk installation, default service plans restrict a subscription to a maximum of 100 mailboxes. With Plesk Premium Email, each such mailbox would incur licenses costs, and an individual subscription being allowed to create up to 100 mailboxes may cause the provider to no longer be in compliance with the Plesk Premium […]
Webmail does not redirect to HTTPS Your clients should always use https to connect to webmail, to avoid being vulnerable to attacks. A good method to ensure this is the case is to redirect from non-https to https. To enable the https redirect got to the hosting settings of your domain and enable “Permanent SEO-safe […]
Kolab integrates with Seafile, a cloud file storage system that, among other features, enables Kolab users to share information with external, third parties, and provides synchronization of libraries between clients — laptops, desktops and mobile devices. Kolab Systems provides an extension for Plesk, allowing Plesk customers to enjoy Seafile. Let’s look at scenarios where Seafile […]
In an otherwise unmodified Plesk installation, default service plans restrict a given mailbox to a default size of 100MB. With Plesk Premium Email, this maximum size should probably be increased to a more sensible volume of storage.
We’re pleased to announce an update for the roundcubemail-plugins-kolab packages, version 3.5.4. This update is a bugfix release for Kolab 16, available for Red Hat Enterprise Linux 7, CentOS 7, Debian 8, Debian 9, Ubuntu 16.04 and Ubuntu 18.04, and for Plesk Premium Email version 17 on Red Hat Enterprise Linux 7, CentOS 7, Debian […]
Plesk Premium Email is compatible with a variety of desktop and mobile clients. MacOS clients To connect your native MacOS clients use the “Internet Accounts” System Preference settings to add the following accounts: IMAP Select Mail under Add Other Account… Enter your email address and password Add your domain as incoming and outgoing server (e.g. […]
Sometimes, customers may wish to use, or avoid using, particular plugins in the web client. This article outlines how to disable and enable plugins for the Plesk Premium Email webmail client for a specific domain.
This HOWTO is a follow-up on Disabling and Enabling Webmail Plugins in Plesk Premium Email and deals with suppressing the availability of the folders other users share with one another, or global public folders shared with the user.