Symptoms
-
Plesk Premium Email (Kolab) Troubleshooting tab in Plesk UI shows:
Seafile is enabled but not reachable for this domain;
Mattermost is enabled but not reachable for this domain;
Collabora is enabled but not reachable for this domain;
- Address Book in webmail is empty, it does not show any contacts;
-
Accessing Seafile in Extensions > My Extensions > Plesk Premium Email - Powered by Kolab shows error:
Authentication failure for Seafile Storage
-
Accessing Mattermost in Extensions > My Extensions > Plesk Premium Email - Powered by Kolab menu shows:
404 not found
Cause
Nginx is not installed or is not enabled on the server:
In Tools & Settings > Services Management Reverse Proxy Server (nginx) is marked as:
-
Service is not installed
or - Service is not running
Resolution
- Log into Plesk.
- Install or enable Nginx:
In case Reverse Proxy Server (nginx) is marked as Service is not installed
install it in Tools & Settings > Updates >Add/remove components page (Web hosting >Nginx web server and reverse proxy server menu)In case Reverse Proxy Server (nginx) is marked as Service is not running
enable it by clicking Start the Service:
with