Unable to access mail messages in Horde: Error when communication with the server

Created:

2016-12-18 07:24:21 UTC

Modified:

2017-08-08 13:28:28 UTC

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Unable to access mail messages in Horde: Error when communication with the server

Applicable to:

  • Plesk Onyx for Linux

Symptoms

The following error is shown while trying to access Mail section in Horde webmail:

Error when communication with the server

There are no errors in /var/log/maillog and /var/log/psa-horde/psa-horde.log` log files.

Using the FireBug it is possible to find the error 'No input file specified' while loading /services/ajax.php/imp/poll

Cause

Horde corruption.

Resolution

  1. Remove Horde using Plesk installer.
  2. Make sure that /usr/share/psa-horde folder was removed.
  3. Install Horde and check the issue.
  4. If the issue persists, remove /usr/share/psa-horde folder and copy it from a test server.
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