Article ID: 117388, created on Sep 20, 2013, last review on May 10, 2014

  • Applies to:
  • Plesk for Linux/Unix


Webmail interface does not show up on any domains associated with this server. Page seems to be blank. The following errors appear in Apache log file:

[Thu Sep 19 12:30:49 2013] [error] [client] PHP Warning:  Unknown: open_basedir restriction in effect. File() is not within the allowed path(s): (/usr/share/psa-horde:/etc/psa-webmail/horde/:/tmp/:/var/tmp/:/var/log/psa-horde:/usr/share/doc/:/usr/share/psa-pear/) in Unknown on line 0
[Thu Sep 19 12:30:49 2013] [error] [client] PHP Fatal error:  Can't load /usr/share/psa-horde/imp/login.php, open_basedir restriction. in Unknown on line 0


This error may be caused by used eAccelerator PHP plugin.

~# php -v
PHP 5.3.20 (cli) (built: Jan  3 2013 18:33:05)
Copyright (c) 1997-2012 The PHP Group
Zend Engine v2.3.0, Copyright (c) 1998-2012 Zend Technologies
  with eAccelerator v0.9.6, Copyright (c) 2004-2010 eAccelerator, by eAccelerator
  with the ionCube PHP Loader v4.2.2, Copyright (c) 2002-2012, by ionCube Ltd.


To resolve the issue disable eAccelerator plug-in.

To do so modify /etc/php.d/eaccelerator.ini file and comment out the following line:


Alternatively, eAccelerator may be enabled in /etc/php.ini:


Search Words

blank page


webmail error

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