Error 500 after login

[ricodahalvarez]

Hi all
I can't resolve an internal error from my nginx server (Debian 8 ). As soon as I try to connect to the webmail, I get a 500 error.
Looking in the logs, I see this:

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me@myserver:~# tail -f /var/www/roundcubemail/logs/error.log
PHP message: PHP   5. rcube_config->load() /var/www/roundcubemail/htdocs/program/lib/Roundcube/rcube_config.php:87
PHP message: PHP   6. rcube_config->load_from_file() /var/www/roundcubemail/htdocs/program/lib/Roundcube/rcube_config.php:207" while reading response header from upstream, client: 82.66.30.55, server: webmail.*, request: "GET / HTTP/1.1", upstream: "fastcgi://127.0.0.1:9000", host: "webmail.creationsitewebpro.com"
2017/07/10 16:38:57 [error] 34609#0: *104 FastCGI sent in stderr: "PHP message: PHP Parse error:  syntax error, unexpected '$config' (T_VARIABLE) in /var/www/roundcubemail/htdocs/config/config.inc.php on line 54
PHP message: PHP Stack trace:
PHP message: PHP   1. {main}() /var/www/roundcubemail/htdocs/index.php:0
PHP message: PHP   2. rcmail::get_instance() /var/www/roundcubemail/htdocs/index.php:43
PHP message: PHP   3. rcube->__construct() /var/www/roundcubemail/htdocs/program/include/rcmail.php:75
PHP message: PHP   4. rcube_config->__construct() /var/www/roundcubemail/htdocs/program/lib/Roundcube/rcube.php:148
PHP message: PHP   5. rcube_config->load() /var/www/roundcubemail/htdocs/program/lib/Roundcube/rcube_config.php:87
PHP message: PHP   6. rcube_config->load_from_file() /var/www/roundcubemail/htdocs/program/lib/Roundcube/rcube_config.php:207" while reading response header from upstream, client: 82.66.30.55, server: webmail.*, request: "GET / HTTP/1.1", upstream: "fastcgi://127.0.0.1:9000", host: "webmail.creationsitewebpro.com"

The error seems to concern the SMTP configuration (line 54 is $config['smtp_server'] = '';) ...

Here is the content my config.inc.php to help the debug:

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$config = array();

// Database connection string (DSN) for read+write operations
// Format (compatible with PEAR MDB2): db_provider://user:password@host/database
// Currently supported db_providers: mysql, pgsql, sqlite, mssql or sqlsrv
// For examples see http://pear.php.net/manual/en/package.database.mdb2.intro-dsn.php
// NOTE: for SQLite use absolute path: 'sqlite:////full/path/to/sqlite.db?mode=0646'
$config['db_dsnw'] = 'mysql://roundcube:aXglUumq@localhost/roundcubemail';

// The mail host chosen to perform the log-in.
// Leave blank to show a textbox at login, give a list of hosts
// to display a pulldown menu or set one host as string.
// To use SSL/TLS connection, enter hostname with prefix ssl:// or tls://
// Supported replacement variables:
// %n - hostname ($_SERVER['SERVER_NAME'])
// %t - hostname without the first part
// %d - domain (http hostname $_SERVER['HTTP_HOST'] without the first part)
// %s - domain name after the '@' from e-mail address provided at login screen
// For example %n = mail.domain.tld, %t = domain.tld
$config['default_host'] = 'localhost';
$config['imap_cache'] = memcache;
//$config['messages_cache'] = db


// SMTP server host (for sending mails).
// To use SSL/TLS connection, enter hostname with prefix ssl:// or tls://
// If left blank, the PHP mail() function is used
// Supported replacement variables:
// %h - user's IMAP hostname
// %n - hostname ($_SERVER['SERVER_NAME'])
// %t - hostname without the first part
// %d - domain (http hostname $_SERVER['HTTP_HOST'] without the first part)
// %z - IMAP domain (IMAP hostname without the first part)
// For example %n = mail.domain.tld, %t = domain.tld
$config['smtp_server'] = '';

// SMTP port (default is 25; use 587 for STARTTLS or 465 for the
// deprecated SSL over SMTP (aka SMTPS))
$config['smtp_port'] = 25;
//$config['smtp_port'] = 587;

// SMTP username (if required) if you use %u as the username Roundcube
// will use the current username for login
$config['smtp_user'] = '';

// SMTP password (if required) if you use %p as the password Roundcube
// will use the current user's password for login
$config['smtp_pass'] = '';

// provide an URL where a user can get support for this Roundcube installation
// PLEASE DO NOT LINK TO THE ROUNDCUBE.NET WEBSITE HERE!
$config['support_url'] = '';

// Name your service. This is displayed on the login screen and in the window title
$config['product_name'] = 'Roundcube Webmail';

// this key is used to encrypt the users imap password which is stored
// in the session record (and the client cookie if remember password is enabled).
// please provide a string of exactly 24 chars.
// YOUR KEY MUST BE DIFFERENT THAN THE SAMPLE VALUE FOR SECURITY REASONS
$config['des_key'] = 'rcmail-!24ByteDESkey*Str';

// List of active plugins (in plugins/ directory)
$config['plugins'] =  array(
    'sieverules',
    'archive',
    'zipdownload',
);
// skin name: folder from skins/
$config['skin'] = 'larry';
$config['sieverules_port']=4190;


Would anyone have any idea to solve this problem?

Best regards,
Rico da Halvarez

[JohnDoh]

this line:

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$config['imap_cache'] = memcache;

should be:

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$config['imap_cache'] = 'memcache';

[ricodahalvarez]

Hi,
Thanks for your reply, the syntax was indeed bad. But the problem persists, it is always the same line of config.inc.php which is designated:

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$config['smtp_server'] = '';

Another idea?

Best regards,
Rico

[JohnDoh]

check the rest of your config files for syntax errors, especially the lines before $config['smtp_server'] = '';

[ricodahalvarez]

Hi,
I carefully looked at the file config.inc.php, nothing seems suspicious except what you had noticed. Any other leads?
Best regards,
Rico

[JohnDoh]

perhaps try putting the config back to defaults and adding in your config line by line until you find the problem