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Knowledge Base

Plesk Horde or RoundCube webmail shows blank page

 
hordemailphpplesk for linuxroundcube webmail

Symptoms

  • Horde or RoundCube webmail displays a blank page;

  • There the following record in /var/log/httpd/error_log file:

    mod_fcgid: stderr: PHP Warning: require_once(): open_basedir restriction in effect. File(/usr/share/psa-roundcube/program/include/iniset.php) is not within the allowed path(s): (xe2x80x9cxe2x80x9d/var/www/vhosts) in /usr/share/psa-roundcube/index.php on line 51

Cause

Wrong settings in
/etc/psa-webmail/horde/horde/php.ini
or
/etc/psa-webmail/roundcube/php.ini
that do not allow webmail to run it’s scripts. 

Resolution

  • Log in the server  via SSH.

    Note: if direct SSH access to the server is not possible, contact server administrator for further assistance.

  • Remove or comment out 
    open_basedir = on
    in
    /etc/psa-webmail/horde/horde/php.ini
    or
    /etc/psa-webmail/roundcube/php.ini
    file.
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