File Source for config

<?php
/**
* Default SquirrelMail configuration file
*
* BEFORE EDITING THIS FILE!
*
* Don't edit this file directly. Copy it to config.php before you
* edit it. However, it is best to use the configuration script
* conf.pl if at all possible. That is the easiest and cleanest way
* to configure.
*
* Note on SECURITY: some options require putting a password in this file.
* Please make sure that you adapt its permissions appropriately to avoid
* passwords being leaked to e.g. other system users. Take extra care when
* the webserver is shared with untrusted users.
*
* @copyright © 2000-2006 The SquirrelMail Project Team
* @license http://opensource.org/licenses/gpl-license.php GNU Public License
* @version $Id: config_default.php,v 1.150 2006/10/04 17:38:43 stevetruckstuff Exp $
* @package squirrelmail
* @subpackage config
*/
/* Do not change this value. */
global $version;
global $config_version;
$config_version = '1.5.0';
/*** Organization preferences ***/
/**
* Organization's name
* @global string $org_name
*/
$org_name = "SquirrelMail";
/**
* Organization's logo picture (blank if none)
* @global string $org_logo
*/
$org_logo = SM_PATH . 'images/sm_logo.png';
/**
* The width of the logo (0 for default)
* @global string $org_logo_width
*/
$org_logo_width = '308';
/**
* The height of the logo (0 for default)
* @global string $org_logo_height
*/
$org_logo_height = '111';
/**
* Webmail Title
*
* This is the web page title that appears at the top of the browser window.
* @global string $org_title
*/
$org_title = "SquirrelMail";
/**
* Signout page
*
* Rather than going to the signout.php page (which only allows you
* to sign back in), setting signout_page allows you to sign the user
* out and then redirect to whatever page you want. For instance,
* the following would return the user to your home page:
* $signout_page = '/';
* Set to the empty string to continue to use the default signout page.
* @global string $signout_page
*/
$signout_page = '';
/**
* Top frame
*
* By default SquirrelMail takes up the whole browser window,
* this allows you to embed it within sites using frames. Set
* this to the frame you want it to stay in.
* @global string $frame_top
*/
$frame_top = '_top';
/**
* Provider name
*
* Here you can set name of the link displayed on the right side of main page.
*
* Link will be displayed only if you have $hide_sm_attributions
* option set to true.
* @global string $provider_name
*/
$provider_name = 'SquirrelMail';
/**
* Provider URI
*
* Here you can set URL of the link displayed on the right side of main page.
* When empty, this refers to the SquirrelMail About page.
* Link will be displayed only if you have $hide_sm_attributions
* option set to true.
* @global string $provider_uri
*/
$provider_uri = '';
/*** Server Settings ***/
/**
* Default Domain
*
* The domain part of local email addresses.
* This is for all messages sent out from this server.
* Reply address is generated by $username@$domain
* Example: In [email protected], example.com is the domain.
* @global string $domain
*/
$domain = 'example.com';
/**
* Time offset inversion
*
* If you are running on a machine that doesn't have the tm_gmtoff
* value in your time structure and if you are in a time zone that
* has a negative offset, you need to set this value to 1. This is
* typically people in the US that are running Solaris 7.
* @global bool $invert_time
*/
$invert_time = false;
/**
* Default send transport
*
* What should be used when sending email.
* If it is set to false, SquirrelMail will use SMTP server settings.
* If it is set to true, SquirrelMail will use program defined in
* $sendmail_path
* @global bool $useSendmail
*/
$useSendmail = false;
/**
* Your SMTP server (usually the same as the IMAP server).
* @global string $smtpServerAddress
*/
$smtpServerAddress = 'localhost';
/**
* Your SMTP port number (usually 25).
* @global integer $smtpPort
*/
$smtpPort = 25;
/**
* SquirrelMail header encryption
*
* Encryption key allows to hide SquirrelMail Received: headers
* in outbound messages. Interface uses encryption key to encode
* username, remote address and proxied address, then stores encoded
* information in X-Squirrel-* headers.
*
* Warning: used encryption function is not bulletproof. When used
* with static encryption keys, it provides only minimal security
* measures and information can be decoded quickly.
*
* Encoded information can be decoded with decrypt_headers.php script
* from SquirrelMail contrib/ directory.
* @global string $encode_header_key
* @since 1.5.1 and 1.4.5
*/
$encode_header_key = '';
/**
* Path to Sendmail
*
* Program that should be used when sending email. SquirrelMail expects that
* this program will follow options used by original sendmail
* (http://www.sendmail.org). Support of -f argument is required.
* @global string $sendmail_path
*/
$sendmail_path = '/usr/sbin/sendmail';
/**
* Extra sendmail command arguments.
*
* Sets additional sendmail command arguments. Make sure that arguments are
* supported by your sendmail program. -f argument is added automatically by
* SquirrelMail scripts. Variable defaults to standard /usr/sbin/sendmail
* arguments. If you use qmail-inject, nbsmtp or any other sendmail wrapper,
* which does not support -t and -i arguments, set variable to empty string
* or use arguments suitable for your mailer.
* @global string $sendmail_args
* @since 1.5.1 and 1.4.8
*/
$sendmail_args = '-i -t';
/**
* IMAP server address
*
* The dns name (or IP address) for your imap server.
* @global string $imapServerAddress
*/
$imapServerAddress = 'localhost';
/**
* IMAP server port
*
* Port used by your imap server. (Usually 143)
* @global integer $imapPort
*/
$imapPort = 143;
/**
* IMAP server type
*
* The type of IMAP server you are running.
* Valid type are the following (case is important):
* bincimap
* courier
* cyrus
* dovecot
* exchange
* hmailserver
* macosx
* mercury32
* uw
* other
*
* Please note that this changes only some of server settings.
*
* In order to set everything correctly, you need to adjust several
* SquirrelMail options. These options are listed in doc/presets.txt
* @global string $imap_server_type
*/
$imap_server_type = 'other';
/**
* Secure IMAP connection controls
*
* 0 - use plain text connection,
* 1 - use imaps (adds tls:// prefix to hostname),
* 2 - use IMAP STARTTLS extension (rfc2595).
*
* Was boolean before 1.5.1.
* @global integer $use_imap_tls
* @since 1.4.0
*/
$use_imap_tls = 0;
/**
* Secure SMTP connection controls
*
* 0 - use plain text connection,
* 1 - use ssmtp (adds tls:// prefix to hostname),
* 2 - use SMTP STARTTLS extension (rfc2487).
*
* Was boolean before 1.5.1.
* @global integer $use_smtp_tls
* @since 1.4.0
*/
$use_smtp_tls = 0;
/**
* SMTP authentication mechanism
*
* auth_mech can be either 'none', 'login','plain', 'cram-md5', or 'digest-md5'
* @global string $smtp_auth_mech
*/
$smtp_auth_mech = 'none';
/**
* Custom SMTP authentication username
*
* IMAP username is used if variable is set to empty string.
* Variable is included in main configuration file only from 1.5.2 version.
* Older versions stored it in config_local.php.
* @global string $smtp_sitewide_user
* @since 1.5.0
*/
$smtp_sitewide_user = '';
/**
* Custom SMTP authentication password
*
* IMAP password is used if $smtp_sitewide_user global is set to empty string.
* Variable is included in main configuration file only from 1.5.2 version.
* Older versions stored it in config_local.php.
* @global string $smtp_sitewide_pass
* @since 1.5.0
*/
$smtp_sitewide_pass = '';
/**
* IMAP authentication mechanism
*
* auth_mech can be either 'login','plain', 'cram-md5', or 'digest-md5'
* @global string $imap_auth_mech
*/
$imap_auth_mech = 'login';
/**
* IMAP folder delimiter
*
* This is the delimiter that your IMAP server uses to distinguish between
* folders. For example, Cyrus uses '.' as the delimiter and a complete
* folder would look like 'INBOX.Friends.Bob', while UW uses '/' and would
* look like 'INBOX/Friends/Bob'. Normally this should be left at 'detect'
* but if you are sure you know what delimiter your server uses, you can
* specify it here.
*
* To have it autodetect the delimiter, set it to 'detect'.
* @global string $optional_delimiter
*/
$optional_delimiter = 'detect';
/**
* POP before SMTP setting
*
* Do you wish to use POP3 before SMTP? Your server must
* support this in order for SquirrelMail to work with it.
* @global bool $pop_before_smtp
*/
$pop_before_smtp = false;
/*** Folder Settings ***/
/**
* Default IMAP folder prefix
*
* Many servers store mail in your home directory. With this, they
* store them in a subdirectory: mail/ or Mail/, etc. If your server
* does this, please set this to what the default mail folder should
* be. This is still a user preference, so they can change it if it
* is different for each user.
*
* Example:
* $default_folder_prefix = 'mail/';
* -- or --
* $default_folder_prefix = 'Mail/folders/';
*
* If you do not use this, set it to the empty string.
* @global string $default_folder_prefix
*/
$default_folder_prefix = '';
/**
* User level prefix control
*
* If you do not wish to give them the option to change this, set it
* to false. Otherwise, if it is true, they can change the folder prefix
* to be anything.
* @global bool $show_prefix_option
*/
$show_prefix_option = false;
/**
* The following are related to deleting messages.
* $default_move_to_trash
* If this is set to 'true', when 'delete' is pressed, it
* will attempt to move the selected messages to the folder
* named $trash_folder. If it's set to 'false', we won't even
* attempt to move the messages, just delete them.
* $default_move_to_sent
* If this is set to 'true', sent messages will be stored in
* $sent_folder by default.
* $default_save_as_draft
* If this is set to 'true', users are able to use $draft_folder
* to store their unfinished messages.
* $trash_folder
* This is the path to the default trash folder. For Cyrus
* IMAP, it would be 'INBOX.Trash', but for UW it would be
* 'Trash'. We need the full path name here.
* $draft_folder
* This is the patch to where Draft messages will be stored.
* $auto_expunge
* If this is true, when a message is moved or copied, the
* source mailbox will get expunged, removing all messages
* marked 'Deleted'.
* $sent_folder
* This is the path to where Sent messages will be stored.
* $delete_folder
* If this is true, when a folder is deleted then it will
* not get moved into the Trash folder.
* @global bool $default_move_to_trash
* @global bool $default_move_to_sent
* @global bool $default_save_as_draft
* @global string $trash_folder
* @global string $sent_folder
* @global string $draft_folder
* @global bool $auto_expunge
* @global bool $delete_folder
*/
$default_move_to_trash = true;
$default_move_to_sent = true;
$default_save_as_draft = true;
$trash_folder = 'INBOX.Trash';
$sent_folder = 'INBOX.Sent';
$draft_folder = 'INBOX.Drafts';
$auto_expunge = true;
$delete_folder = false;
/**
* Special Folder Color Control
*
* Whether or not to use a special color for special folders. If not,
* special folders will be the same color as the other folders.
* @global bool $use_special_folder_color
*/
$use_special_folder_color = true;
/**
* Create Special Folders Control
*
* Should I create the Sent and Trash folders automatically for
* a new user that doesn't already have them created?
* @global bool $auto_create_special
*/
$auto_create_special = true;
/**
* List Special Folders First Control
*
* Whether or not to list the special folders first (true/false).
* @global bool $list_special_folders_first
*/
$list_special_folders_first = true;
/**
* Subfolder Layout Control
*
* Are all your folders subfolders of INBOX (i.e. cyrus IMAP server).
* If you are unsure, set it to false.
* @global bool $default_sub_of_inbox
*/
$default_sub_of_inbox = true;
/**
* Subfolder Format Control
*
* Some IMAP daemons (UW) handle folders weird. They only allow a
* folder to contain either messages or other folders, not both at
* the same time. This option controls whether or not to display an
* option during folder creation. The option toggles which type of
* folder it should be.
*
* If this option confuses you, just set it to 'true'. You can not hurt
* anything if it's true, but some servers will respond weird if it's
* false. (Cyrus works fine whether it's true OR false).
* @global bool $show_contain_subfolders_option
*/
$show_contain_subfolders_option = false;
/**
* These next two options set the defaults for the way that the
* users see their folder list.
* $default_unseen_notify
* Specifies whether or not the users will see the number of
* unseen in each folder by default and also which folders to
* do this to. Valid values are: 1=none, 2=inbox, 3=all.
* $default_unseen_type
* Specifies the type of notification to give the users by
* default. Valid choice are: 1=(4), 2=(4,25).
* @global integer $default_unseen_notify
* @global integer $default_unseen_type
*/
$default_unseen_notify = 2;
$default_unseen_type = 1;
/**
* NoSelect Fix Control
*
* This enables the no select fix for Cyrus when subfolders
* exist but parent folders do not
* @global bool $noselect_fix_enable
*/
$noselect_fix_enable = false;
/*** General options ***/
/**
* Path to the data/ directory
*
* You need to create this directory yourself (see INSTALL).
*
* It is a possible security hole to have a writable directory
* under the web server's root directory (ex: /home/httpd/html).
* The path name can be absolute or relative (to the config directory).
* If path is relative, it must use SM_PATH constant.
* Here are two examples:
*
* Absolute:
* $data_dir = '/var/local/squirrelmail/data/';
*
* Relative (to main SM directory):
* $data_dir = SM_PATH . 'data/';
* (NOT recommended: you need to secure apache to make sure these
* files are not world readable)
*
* @global string $data_dir
*/
$data_dir = '/var/local/squirrelmail/data/';
/**
* Attachments directory
*
* Path to directory used for storing attachments while a mail is
* being sent. There are a few security considerations regarding
* this directory:
* + It should have the permission 733 (rwx-wx-wx) to make it
* impossible for a random person with access to the webserver to
* list files in this directory. Confidential data might be laying
* around there.
* + Since the webserver is not able to list the files in the content
* is also impossible for the webserver to delete files lying around
* there for too long. You should have some script that deletes
* left over temp files.
* + It should probably be another directory than data_dir.
* @global string $attachment_dir
*/
$attachment_dir = '/var/local/squirrelmail/attach/';
/**
* Hash level used for data directory.
*
* This option allows spliting file based SquirrelMail user
* data storage directory into several subfolders. Number from
* 0 to 4 allows allows having up to four subfolder levels.
*
* Hashing should speed up directory access if you have big number
* of users (500 and more).
* @global integer $dir_hash_level
*/
$dir_hash_level = 0;
/**
* Default Size of Folder List
*
* This is the default size of the folder list. Default
* is 150, but you can set it to whatever you wish.
* @global string $default_left_size
*/
$default_left_size = '150';
/**
* Username Case Control
*
* Some IMAP servers allow a username (like 'bob') to log in if they use
* uppercase in their name (like 'Bob' or 'BOB'). This creates extra
* preference files. Toggling this option to true will transparently
* change all usernames to lowercase.
* @global bool $force_username_lowercase
*/
$force_username_lowercase = false;
/**
* Email Priority Control
*
* This option enables use of email priority flags by end users.
* @global bool $default_use_priority
*/
$default_use_priority = true;
/**
* SquirrelMail Attributions Control
*
* This option disables display of "created by SquirrelMail developers"
* strings and provider link
* @global bool $hide_sm_attributions
* @since 1.2.0
*/
$hide_sm_attributions = false;
/**
* Delivery Receipts Control
*
* This option enables use of read/delivery receipts by end users.
* @global bool $default_use_mdn
*/
$default_use_mdn = true;
/**
* Identity Controls
*
* If you don't want to allow users to change their email address
* then you can set $edit_identity to false, if you want them to
* not be able to change their full name too then set $edit_name
* to false as well. $edit_name has no effect unless $edit_identity
* is false;
* @global bool $edit_identity
* @global bool $edit_name
*/
$edit_identity = true;
$edit_name = true;
/**
* SquirrelMail adds username information to every sent email.
* It is done in order to prevent possible sender forging when
* end users are allowed to change their email and name
* information.
*
* You can disable this header, if you think that it violates
* user's privacy or security. Please note, that setting will
* work only when users are not allowed to change their identity.
*
* See SquirrelMail bug tracker #847107 for more details about it.
* @global bool $hide_auth_header
* @since 1.5.1 and 1.4.5
*/
$hide_auth_header = false;
/**
* Server Side Threading Control
*
* Set it to true, if you want to disable server side thread
* sorting options. Your IMAP server must support the THREAD
* extension for this to have any effect.
*
* Older SquirrelMail versions used $allow_thread_sort option.
* @global bool $disable_thread_sort
* @since 1.5.1
*/
$disable_thread_sort = false;
/**
* Server Side Sorting Control
*
* Set it to true, if you want to disable server side sorting
* and use SM client side sorting instead (client side sorting
* can be slow). Your IMAP server must support the SORT extension
* for this to have any effect.
*
* Older SquirrelMail versions used $allow_server_sort option.
* @global bool $disable_server_sort
* @since 1.5.1
*/
$disable_server_sort = false;
/**
* IMAP Charset Use Control
*
* This option allows you to choose if SM uses charset search
* Your imap server should support SEARCH CHARSET command for
* this to work.
* @global bool $allow_charset_search
*/
$allow_charset_search = true;
/**
* Search functions control
*
* This option allows you to control the use of advanced search form.
* Set to 0 to enable basic search only, 1 to enable advanced search only
* or 2 to enable both.
* @global integer $allow_advanced_search
*/
$allow_advanced_search = 0;
/**
* PHP session name.
*
* Leave this alone unless you know what you are doing.
* @global string $session_name
*/
$session_name = 'SQMSESSID';
/**
* User Themes
* You can define your own theme and put it in directory in SM_PATH/css/.
* You must call it as the example below. You can name the theme
* whatever you want.
*
* To add a new theme to the options that users can choose from, just
* add a new number to the array at the bottom, and follow the pattern.
*
* $user_theme_default sets theme that will be used by default
*
* @global integer $user_theme_default
* @since 1.5.2
*/
$user_theme_default = 0;
/**
* Listing of installed themes
* @global array $user_themes
* @since 1.5.2
*/
$user_themes[0]['PATH'] = 'none';
$user_themes[0]['NAME'] = 'Default';
$user_themes[1]['PATH'] = '../css/blue_gradient/';
$user_themes[1]['NAME'] = 'Blue Options';
/**
* Message Icons control
*
* Use icons for message and folder markers
* @global bool $use_icons
* @since 1.5.1
*/
$use_icons = true;
/**
* Icon Themes
* You can create your own icon themes and put them in a directory in
* SM_PATH/images/themes/. Your users will be able to choose whatever
* icon themes are listed below.
*
* To add a new theme to the list of available icon themes, just add a new
* number to the array below and follow the pattern
*
* $icon_theme_default sets the theme that will be used by default.
*
* @global integer $icon_theme_def
* @since 1.5.2
*/
$icon_theme_def = 3;
/**
* Listing of installed icon themes
* @global array $icon_themes;
* @since 1.5.2
*/
$icon_themes[0]['PATH'] = 'none';
$icon_themes[0]['NAME'] = 'No Icons';
$icon_themes[1]['PATH'] = 'template';
$icon_themes[1]['NAME'] = 'Template Default Icons';
$icon_themes[2]['PATH'] = '../images/themes/default/';
$icon_themes[2]['NAME'] = 'Default Icon Set';
$icon_themes[3]['PATH'] = '../images/themes/xp/';
$icon_themes[3]['NAME'] = 'XP Style Icons';
/**
* Templates
* You can define your own template and put it in a new directory
* under SM_PATH/templates. The ID must match the name of
* the template directory as the example below. You can name the
* template whatever you want. For an example of a template, see
* the ones included in the SM_PATH/templates directory.
*
* To add a new template to the options that users can choose from, just
* add a new number to the array at the bottom, and follow the pattern.
*
* $templateset_default sets theme that will be used by default.
*
* @global integer $templateset_default
*/
$templateset_default = 0;
$templateset_fallback = 0;
$aTemplateSet[0]['ID'] = 'default';
$aTemplateSet[0]['NAME'] = 'Default';
$aTemplateSet[1]['ID'] = 'default_advanced';
$aTemplateSet[1]['NAME'] = 'Advanced';
/**
* Default interface font size.
* @global string $default_fontsize
* @since 1.5.1
*/
$default_fontsize = '';
/**
* Default font set
* @global string $default_fontset
* @since 1.5.1
*/
$default_fontset = '';
/**
* List of available fontsets.
* @global array $fontsets
* @since 1.5.1
*/
$fontsets = array();
$fontsets['serif'] = 'serif';
$fontsets['sans'] = 'helvetica,arial,sans-serif';
$fontsets['comicsans'] = 'comic sans ms,sans-serif';
$fontsets['verasans'] = 'bitstream vera sans,verdana,sans-serif';
$fontsets['tahoma'] = 'tahoma,sans-serif';
/**
* LDAP server(s)
* Array of arrays with LDAP server parameters. See
* functions/abook_ldap_server.php for a list of possible
* parameters
*
* EXAMPLE:
* $ldap_server[0] = Array(
* 'host' => 'memberdir.netscape.com',
* 'name' => 'Netcenter Member Directory',
* 'base' => 'ou=member_directory,o=netcenter.com'
* );
*
* NOTE: please see security note at the top of this file when
* entering a password.
*/
// Add your ldap server options here
/**
* Javascript in Addressbook Control
*
* Users may search their addressbook via either a plain HTML or Javascript
* enhanced user interface. This option allows you to set the default choice.
* Set this default choice as either:
* true = javascript
* false = html
* @global bool $default_use_javascript_addr_book
*/
$default_use_javascript_addr_book = false;
/**
* Shared filebased address book
* @global string $abook_global_file
* @since 1.5.1 and 1.4.4
*/
$abook_global_file = '';
/**
* Writing into shared address book control
* @global bool $abook_global_file_writeable
* @since 1.5.1 and 1.4.4
*/
$abook_global_file_writeable = false;
/**
* Listing of shared address book control
* @global bool $abook_global_file_listing
* @since 1.5.1
*/
$abook_global_file_listing = true;
/**
* Controls file based address book entry size
*
* This setting controls space allocated to file based address book records.
* End users will be unable to save address book entry, if total entry size
* (quoted address book fields + 4 delimiters + linefeed) exceeds allowed
* address book length size.
*
* Same setting is applied to personal and global file based address books.
*
* It is strongly recommended to keep default setting value. Change it only
* if you really want to store address book entries that are bigger than two
* kilobytes (2048).
* @global integer $abook_file_line_length
* @since 1.5.2
*/
$abook_file_line_length = 2048;
/**
* MOTD
*
* This is a message that is displayed immediately after a user logs in.
* @global string $motd
*/
$motd = "";
/**
* To install plugins, just add elements to this array that have
* the plugin directory name relative to the /plugins/ directory.
* For instance, for the 'sqclock' plugin, you'd put a line like
* the following.
* $plugins[] = 'sqclock';
* $plugins[] = 'attachment_common';
*/
// Add list of enabled plugins here
/*** Database ***/
/**
* Read doc/database.txt in order to get more information
* about these settings.
*/
/**
* Database-driven private addressbooks
* DSN (Data Source Name) for a database where the private
* addressbooks are stored. See doc/db-backend.txt for more info.
* If it is not set, the addressbooks are stored in files
* in the data dir.
* The DSN is in the format: mysql://user:pass@hostname/dbname
* The table is the name of the table to use within the
* specified database.
*
* NOTE: please see security note at the top of this file when
* entering a password.
*/
$addrbook_dsn = '';
$addrbook_table = 'address';
/**
* Database used to store user data
*/
$prefs_dsn = '';
$prefs_table = 'userprefs';
/**
* Preference key field
* @global string $prefs_key_field
*/
$prefs_key_field = 'prefkey';
/**
* Size of preference key field
* @global integer $prefs_key_size
* @since 1.5.1
*/
$prefs_key_size = 64;
/**
* Preference owner field
* @global string $prefs_user_field
*/
$prefs_user_field = 'user';
/**
* Size of preference owner field
* @global integer $prefs_user_size
* @since 1.5.1
*/
$prefs_user_size = 128;
/**
* Preference value field
* @global string $prefs_val_field
*/
$prefs_val_field = 'prefval';
/**
* Size of preference key field
* @global integer $prefs_val_size
* @since 1.5.1
*/
$prefs_val_size = 65536;
/*** Global sql database options ***/
/**
* DSN of global address book database
* @global string $addrbook_global_dsn
* @since 1.5.1 and 1.4.4
*/
$addrbook_global_dsn = '';
/**
* Table used for global database address book
* @global string $addrbook_global_table
* @since 1.5.1 and 1.4.4
*/
$addrbook_global_table = 'global_abook';
/**
* Control writing into global database address book
* @global boolean $addrbook_global_writeable
* @since 1.5.1 and 1.4.4
*/
$addrbook_global_writeable = false;
/**
* Control listing of global database address book
* @global boolean $addrbook_global_listing
* @since 1.5.1 and 1.4.4
*/
$addrbook_global_listing = false;
/*** Language settings ***/
/**
* Default language
*
* This is the default language. It is used as a last resort
* if SquirrelMail can't figure out which language to display.
* Language names usually consist of language code, undercore
* symbol and country code
* @global string $squirrelmail_default_language
*/
$squirrelmail_default_language = 'en_US';
/**
* Default Charset
*
* This option controls what character set is used when sending
* mail and when sending HTML to the browser. Option works only
* with US English (en_US) translation. Other translations use
* charsets that are set in translation settings.
*
* @global string $default_charset
*/
$default_charset = 'iso-8859-1';
/**
* Alternative Language Names Control
*
* This options allows displaying native language names in language
* selection box.
* @global bool $show_alternative_names
* @since 1.5.0
*/
$show_alternative_names = false;
/**
* Aggressive Decoding Control
*
* This option enables reading of Eastern multibyte encodings.
* Functions that provide this support are very cpu and memory intensive.
* Don't enable this option unless you really need it.
* @global bool $aggressive_decoding
* @since 1.5.1
*/
$aggressive_decoding = false;
/**
* Lossy Encoding Control
*
* This option allows charset conversions when output charset does not support
* all symbols used in original charset. Symbols unsupported by output charset
* will be replaced with question marks.
* @global bool $lossy_encoding
* @since 1.5.1
*/
$lossy_encoding = false;
/**
* Controls use of time zone libraries
*
* Possible values:
* <ul>
* <li>0 - default, SquirrelMail uses GNU C timezone names in
* TZ environment variables
* <li>1 - strict, SquirrelMail uses 'TZ' subkey values in TZ
* environment variables
* <li>2 - custom, SquirrelMail loads time zone data from
* config/timezones.php and uses time zone array keys in
* TZ enviroment variables
* <li>3 - custom strict, SquirrelMail loads time zone data from
* config/timezones.php and uses TZ subkey values in
* TZ enviroment variables
* </ul>
* Use of any other value switches to default SquirrelMail time zone
* handling ($time_zone_type).
* @global integer $time_zone_type
* @since 1.5.1
*/
$time_zone_type = 0;
/**
* Location base
*
* This is used to build the URL to the SquirrelMail location.
* It should contain only the protocol and hostname/port parts
* of the URL; the full path will be appended automatically.
*
* If not specified or empty, it will be autodetected.
*
* Examples:
* http://webmail.example.org
* http://webmail.example.com:8080
* https://webmail.example.com:6691
*
* To be clear: do not include any of the path elements, so if
* SquirrelMail is at http://www.example.net/web/mail/src/login.php, you
* write: http://www.example.net
*
* @global string $config_location_base
* @since 1.5.2 and 1.4.8
*/
$config_location_base = '';
/*** Tweaks ***/
/**
* Iframe sandbox code control
*
* Use iframe to render html emails
* (temp option used during debuging of new code)
* @global bool $use_iframe
* @since 1.5.1
*/
$use_iframe = false;
/**
* PHP recode functions control
*
* Use experimental code with php recode functions when reading messages with
* different encoding. This code is faster that original SM functions,
* but it require php with recode support.
*
* Don't enable this option if you are not sure about availability of
* recode support.
* @global bool $use_php_recode
* @since 1.5.0
*/
$use_php_recode = false;
/**
* PHP iconv functions control
*
* Use experimental code with php iconv functions when reading messages with
* different encoding. This code is faster that original SM functions,
* but it require php with iconv support and works only with some translations.
*
* Don't enable this option if you are not sure about availability of
* iconv support.
* @global bool $use_php_iconv
* @since 1.5.0
*/
$use_php_iconv = false;
/**
* Controls remote configuration checks
* @global boolean $allow_remote_configtest
* @since 1.5.1
*/
$allow_remote_configtest = false;
/**
* Subscribe Listing Control
*
* this disables listing all of the folders on the IMAP Server to
* generate the folder subscribe listbox (this can take a long time
* when you have a lot of folders). Instead, a textbox will be
* displayed allowing users to enter a specific folder name to subscribe to
*
* This option can't be changed by conf.pl
* @global bool $no_list_for_subscribe
*/
$no_list_for_subscribe = false;
/**
* Color in config control
*
* This option is used only by conf.pl script to generate configuration
* menu with some colors and is provided here only as reference.
* @global integer $config_use_color
*/
$config_use_color = 2;

Source for file config_default.php