z-push docker image designed to work with tvial/docker-mailserver
This z-push docker image is designed to work in lieu with the tvial/docker-mailserver (see tomav/docker-mailserver for further information.)
TIMEZONE: in the format of Europe/ZurichIMAP_SERVER: your imap server address/ipIMAP_PORT: imap portSMTP_SERVER: smtp server address/ipSMTP_PORT: smtp portDEBUG: [0/1] disables/enables verbose logging.For a quick guide, how to setup up your mobile device, have a look at the Zarafa-Homepage
If you need to change the default configuration, you can do so by placing a config.php and/or a imap.php into a folder which has to be mounted as a volume to /config/ inside the container.
Note: Those files just get appended to the container configuration files for now.
Example:
docker run -d -name z-push \-v ./config:/config/ \-e TIMEZONE=Europe/Zurich \-e IMAP_SERVER=imap.yourdomain.tld \-e IMAP_PORT=143 \-e SMTP_SERVER=smtp.yourdomain.tld \-e SMTP_PORT=465 \-e DEBUG=1 \17halbe/z-push`
The used configuration is being put out to the docker logs upon container start, and can be read by docker logs <your_container_name>
Here are the settings used at the time of writing:
<?php/************************************************ File : config.php* Project : Z-Push* Descr : Main configuration file** Created : 01.10.2007** Copyright 2007 - 2016 Zarafa Deutschland GmbH** This program is free software: you can redistribute it and/or modify* it under the terms of the GNU Affero General Public License, version 3,* as published by the Free Software Foundation.** This program is distributed in the hope that it will be useful,* but WITHOUT ANY WARRANTY; without even the implied warranty of* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the* GNU Affero General Public License for more details.** You should have received a copy of the GNU Affero General Public License* along with this program. If not, see <http://www.gnu.org/licenses></http:>.** Consult LICENSE file for details************************************************//*********************************************************************************** Default settings*/// Defines the default time zone, change e.g. to "Europe/London" if necessarydefine('TIMEZONE', '');// Defines the base path on the serverdefine('BASE_PATH', dirname($_SERVER['SCRIPT_FILENAME']). '/');// Try to set unlimited timeoutdefine('SCRIPT_TIMEOUT', 0);// When accessing through a proxy, the "X-Forwarded-For" header contains the original remote IPdefine('USE_X_FORWARDED_FOR_HEADER', false);// When using client certificates, we can check if the login sent matches the owner of the certificate.// This setting specifies the owner parameter in the certificate to look at.define("CERTIFICATE_OWNER_PARAMETER", "SSL_CLIENT_S_DN_CN");/** Whether to use the complete email address as a login name* (e.g. user@company.com) or the username only (user).* This is required for Z-Push to work properly after autodiscover.* Possible values:* false - use the username only.* true - string the mobile sends as username, e.g. full email address (default).*/define('USE_FULLEMAIL_FOR_LOGIN', true);/*********************************************************************************** StateMachine setting** These StateMachines can be used:* FILE - FileStateMachine (default). Needs STATE_DIR set as well.* SQL - SqlStateMachine has own configuration file. STATE_DIR is ignored.* State migration script is available, more informations: https://wiki.z-hub.io/x/xIAa*/define('STATE_MACHINE', 'FILE');define('STATE_DIR', '/state/');/*********************************************************************************** IPC - InterProcessCommunication** Is either provided by using shared memory on a single host or* using the memcache provider for multi-host environments.* When another implementation should be used, the class can be set here explicitly.* If empty Z-Push will try to use available providers.*/define('IPC_PROVIDER', '');/*********************************************************************************** Logging settings** The LOGBACKEND specifies where the logs are sent to.* Either to file ("filelog") or to a "syslog" server or a custom log class in core/log/logclass.* filelog and syslog have several options that can be set below.* For more information about the syslog configuration, see https://wiki.z-hub.io/x/HIAT* Possible LOGLEVEL and LOGUSERLEVEL values are:* LOGLEVEL_OFF - no logging* LOGLEVEL_FATAL - log only critical errors* LOGLEVEL_ERROR - logs events which might require corrective actions* LOGLEVEL_WARN - might lead to an error or require corrective actions in the future* LOGLEVEL_INFO - usually completed actions* LOGLEVEL_DEBUG - debugging information, typically only meaningful to developers* LOGLEVEL_WBXML - also prints the WBXML sent to/from the device* LOGLEVEL_DEVICEID - also prints the device id for every log entry* LOGLEVEL_WBXMLSTACK - also prints the contents of WBXML stack** The verbosity increases from top to bottom. More verbose levels include less verbose* ones, e.g. setting to LOGLEVEL_DEBUG will also output LOGLEVEL_FATAL, LOGLEVEL_ERROR,* LOGLEVEL_WARN and LOGLEVEL_INFO level entries.** LOGAUTHFAIL is logged to the LOGBACKEND.*/define('LOGBACKEND', 'filelog');define('LOGLEVEL', LOGLEVEL_INFO);define('LOGAUTHFAIL', false);// To save e.g. WBXML data only for selected users, add the usernames to the array// The data will be saved into a dedicated file per user in the LOGFILEDIR// Users have to be encapusulated in quotes, several users are comma separated, like:// $specialLogUsers = array('info@domain.com', 'myusername');define('LOGUSERLEVEL', LOGLEVEL_DEVICEID);$specialLogUsers = array();// Filelog settingsdefine('LOGFILEDIR', '/var/log/z-push/');define('LOGFILE', LOGFILEDIR . 'z-push.log');define('LOGERRORFILE', LOGFILEDIR . 'z-push-error.log');// Syslog settings// false will log to local syslog, otherwise put the remote syslog IP heredefine('LOG_SYSLOG_HOST', false);// Syslog portdefine('LOG_SYSLOG_PORT', 514);// Program showed in the syslog. Useful if you have more than one instance login to the same syslogdefine('LOG_SYSLOG_PROGRAM', 'z-push');// Syslog facility - use LOG_USER when running on Windowsdefine('LOG_SYSLOG_FACILITY', LOG_LOCAL0);// Location of the trusted CA, e.g. '/etc/ssl/certs/EmailCA.pem'// Uncomment and modify the following line if the validation of the certificates fails.// define('CAINFO', '/etc/ssl/certs/EmailCA.pem');/*********************************************************************************** Mobile settings*/// Device Provisioningdefine('PROVISIONING', true);// This option allows the 'loose enforcement' of the provisioning policies for older// devices which don't support provisioning (like WM 5 and HTC Android Mail) - dw2412 contribution// false (default) - Enforce provisioning for all devices// true - allow older devices, but enforce policies on devices which support itdefine('LOOSE_PROVISIONING', false);// The file containing the policies' settings.// Set a full path or relative to the z-push main directorydefine('PROVISIONING_POLICYFILE', 'policies.ini');// Default conflict preference// Some devices allow to set if the server or PIM (mobile)// should win in case of a synchronization conflict// SYNC_CONFLICT_OVERWRITE_SERVER - Server is overwritten, PIM wins// SYNC_CONFLICT_OVERWRITE_PIM - PIM is overwritten, Server wins (default)define('SYNC_CONFLICT_DEFAULT', SYNC_CONFLICT_OVERWRITE_PIM);// Global limitation of items to be synchronized// The mobile can define a sync back period for calendar and email items// For large stores with many items the time period could be limited to a max value// If the mobile transmits a wider time period, the defined max value is used// Applicable values:// SYNC_FILTERTYPE_ALL (default, no limitation)// SYNC_FILTERTYPE_1DAY, SYNC_FILTERTYPE_3DAYS, SYNC_FILTERTYPE_1WEEK, SYNC_FILTERTYPE_2WEEKS,// SYNC_FILTERTYPE_1MONTH, SYNC_FILTERTYPE_3MONTHS, SYNC_FILTERTYPE_6MONTHSdefine('SYNC_FILTERTIME_MAX', SYNC_FILTERTYPE_ALL);// Interval in seconds before checking if there are changes on the server when in Ping.// It means the highest time span before a change is pushed to a mobile. Set it to// a higher value if you have a high load on the server.define('PING_INTERVAL', 30);// Set the fileas (save as) order for contacts in the webaccess/webapp/outlook.// It will only affect new/modified contacts on the mobile which then are synced to the server.// Possible values are:// SYNC_FILEAS_FIRSTLAST - fileas will be "Firstname Middlename Lastname"// SYNC_FILEAS_LASTFIRST - fileas will be "Lastname, Firstname Middlename"// SYNC_FILEAS_COMPANYONLY - fileas will be "Company"// SYNC_FILEAS_COMPANYLAST - fileas will be "Company (Lastname, Firstname Middlename)"// SYNC_FILEAS_COMPANYFIRST - fileas will be "Company (Firstname Middlename Lastname)"// SYNC_FILEAS_LASTCOMPANY - fileas will be "Lastname, Firstname Middlename (Company)"// SYNC_FILEAS_FIRSTCOMPANY - fileas will be "Firstname Middlename Lastname (Company)"// The company-fileas will only be set if a contact has a company set. If one of// company-fileas is selected and a contact doesn't have a company set, it will default// to SYNC_FILEAS_FIRSTLAST or SYNC_FILEAS_LASTFIRST (depending on if last or first// option is selected for company).// If SYNC_FILEAS_COMPANYONLY is selected and company of the contact is not set// SYNC_FILEAS_LASTFIRST will be useddefine('FILEAS_ORDER', SYNC_FILEAS_LASTFIRST);// Maximum amount of items to be synchronized per request.// Normally this value is requested by the mobile. Common values are 5, 25, 50 or 100.// Exporting too much items can cause mobile timeout on busy systems.// Z-Push will use the lowest provided value, either set here or by the mobile.// MS Outlook 2013+ request up to 512 items to accelerate the sync process.// If you detect high load (also on subsystems) you could try a lower setting.// max: 512 - value used if mobile does not limit amount of itemsdefine('SYNC_MAX_ITEMS', 512);// The devices usually send a list of supported properties for calendar and contact// items. If a device does not includes such a supported property in Sync request,// it means the property's value will be deleted on the server.// However some devices do not send a list of supported properties. It is then impossible// to tell if a property was deleted or it was not set at all if it does not appear in Sync.// This parameter defines Z-Push behaviour during Sync if a device does not issue a list with// supported properties.// See also https://jira.z-hub.io/browse/ZP-302.// Possible values:// false - do not unset properties which are not sent during Sync (default)// true - unset properties which are not sent during Syncdefine('UNSET_UNDEFINED_PROPERTIES', false);// ActiveSync specifies that a contact photo may not exceed 48 KB. This value is checked// in the semantic sanity checks and contacts with larger photos are not synchronized.// This limitation is not being followed by the ActiveSync clients which set much bigger// contact photos. You can override the default value of the max photo size.// default: 5242880 - 5 MB default max photo size in bytesdefine('SYNC_CONTACTS_MAXPICTURESIZE', 5242880);// Over the WebserviceUsers command it is possible to retrieve a list of all// known devices and users on this Z-Push system. The authenticated user needs to have// admin rights and a public folder must exist.// In multicompany environments this enable an admin user of any company to retrieve// this full list, so this feature is disabled by default. Enable with care.define('ALLOW_WEBSERVICE_USERS_ACCESS', false);// Users with many folders can use the 'partial foldersync' feature, where the server// actively stops processing the folder list if it takes too long. Other requests are// then redirected to the FolderSync to synchronize the remaining items.// Device compatibility for this procedure is not fully understood.// NOTE: THIS IS AN EXPERIMENTAL FEATURE WHICH COULD PREVENT YOUR MOBILES FROM SYNCHRONIZING.define('USE_PARTIAL_FOLDERSYNC', false);// The minimum accepted time in second that a ping command should last.// It is strongly advised to keep this config to false. Some device// might not be able to send a higher value than the one specificied here and thus// unable to start a push connection.// If set to false, there will be no lower bound to the ping lifetime.// The minimum accepted value is 1 second. The maximum accepted value is 3540 seconds (59 minutes).define('PING_LOWER_BOUND_LIFETIME', false);// The maximum accepted time in second that a ping command should last.// If set to false, there will be no higher bound to the ping lifetime.// The minimum accepted value is 1 second. The maximum accepted value is 3540 seconds (59 minutes).define('PING_HIGHER_BOUND_LIFETIME', false);// Maximum response time// Mobiles implement different timeouts to their TCP/IP connections. Android devices for example// have a hard timeout of 30 seconds. If the server is not able to answer a request within this timeframe,// the answer will not be recieved and the device will send a new one overloading the server.// There are three categories// - Short timeout - server has up within 30 seconds - is automatically applied for not categorized types// - Medium timeout - server has up to 90 seconds to respond// - Long timeout - server has up to 4 minutes to respond// If a timeout is almost reached the server will break and sent the results it has until this// point. You can add DeviceType strings to the categories.// In general longer timeouts are better, because more data can be streamed at once.define('SYNC_TIMEOUT_MEDIUM_DEVICETYPES', "SAMSUNGGTI");define('SYNC_TIMEOUT_LONG_DEVICETYPES', "iPod, iPad, iPhone, WP, WindowsOutlook");// Time in seconds the device should wait whenever the service is unavailable,// e.g. when a backend service is unavailable.// Z-Push sends a "Retry-After" header in the response with the here defined value.// It is up to the device to respect or not this directive so even if this option is set,// the device might not wait requested time frame.// Number of seconds before retry, to disable set to: falsedefine('RETRY_AFTER_DELAY', 300);/*********************************************************************************** Backend settings*/// the backend data providerdefine('BACKEND_PROVIDER', 'BackendIMAP');/*********************************************************************************** Search provider settings** Alternative backend to perform SEARCH requests (GAL search)* By default the main Backend defines the preferred search functionality.* If set, the Search Provider will always be preferred.* Use 'BackendSearchLDAP' to search in a LDAP directory (see backend/searchldap/config.php)*/define('SEARCH_PROVIDER', '');// Time in seconds for the server search. Setting it too high might result in timeout.// Setting it too low might not return all results. Default is 10.define('SEARCH_WAIT', 10);// The maximum number of results to send to the client. Setting it too high// might result in timeout. Default is 10.define('SEARCH_MAXRESULTS', 10);/*********************************************************************************** Kopano Outlook Extension - Settings** The Kopano Outlook Extension (KOE) provides MS Outlook 2013 and newer with* functionality not provided by ActiveSync or not implemented by Outlook.* For more information, see: https://wiki.z-hub.io/x/z4Aa*/// Global Address Book functionalitydefine('KOE_CAPABILITY_GAB', true);// Synchronize mail flags from the server to Outlook/KOEdefine('KOE_CAPABILITY_RECEIVEFLAGS', true);// Encode flags when sending from Outlook/KOEdefine('KOE_CAPABILITY_SENDFLAGS', true);// Out-of-office supportdefine('KOE_CAPABILITY_OOF', true);// Out-of-office support with start & end times (superseeds KOE_CAPABILITY_OOF)define('KOE_CAPABILITY_OOFTIMES', true);// Notes supportdefine('KOE_CAPABILITY_NOTES', true);// Shared folder supportdefine('KOE_CAPABILITY_SHAREDFOLDER', true);// Send-As support for Outlook/KOE and mobilesdefine('KOE_CAPABILITY_SENDAS', true);// Secondary Contact folders (own and shared)define('KOE_CAPABILITY_SECONDARYCONTACTS', true);// Copy WebApp signature into KOEdefine('KOE_CAPABILITY_SIGNATURES', true);// Delivery receipt requestsdefine('KOE_CAPABILITY_RECEIPTS', true);// To synchronize the GAB KOE, the GAB store and folderid need to be specified.// Use the gab-sync script to generate this data. The name needs to// match the config of the gab-sync script.// More information here: https://wiki.z-hub.io/x/z4Aa (GAB Sync Script)define('KOE_GAB_STORE', 'SYSTEM');define('KOE_GAB_FOLDERID', '');define('KOE_GAB_NAME', 'Z-Push-KOE-GAB');/*********************************************************************************** Synchronize additional folders to all mobiles** With this feature, special folders can be synchronized to all mobiles.* This is useful for e.g. global company contacts.** This feature is supported only by certain devices, like iPhones.* Check the compatibility list for supported devices:* http://z-push.org/compatibility** To synchronize a folder, add a section setting all parameters as below:* store: the ressource where the folder is located.* Kopano users use 'SYSTEM' for the 'Public Folder'* folderid: folder id of the folder to be synchronized* name: name to be displayed on the mobile device* type: supported types are:* SYNC_FOLDER_TYPE_USER_CONTACT* SYNC_FOLDER_TYPE_USER_APPOINTMENT* SYNC_FOLDER_TYPE_USER_TASK* SYNC_FOLDER_TYPE_USER_MAIL* SYNC_FOLDER_TYPE_USER_NOTE** Additional notes:* - on Kopano systems use backend/kopano/listfolders.php script to get a list* of available folders** - all Z-Push users must have at least reading permissions so the configured* folders can be synchronized to the mobile. Else they are ignored.** - this feature is only partly suitable for multi-tenancy environments,* as ALL users from ALL tenents need access to the configured store & folder.* When configuring a public folder, this will cause problems, as each user has* a different public folder in his tenant, so the folder are not available.* - changing this configuration could cause HIGH LOAD on the system, as all* connected devices will be updated and load the data contained in the* added/modified folders.*/$additionalFolders = array(// demo entry for the synchronization of contacts from the public folder.// uncomment (remove '/*' '*/') and fill in the folderid/*array('store' => "SYSTEM",'folderid' => "",'name' => "Public Contacts",'type' => SYNC_FOLDER_TYPE_USER_CONTACT,),*/);
<?php/************************************************ File : config.php* Project : Z-Push* Descr : IMAP backend configuration file** Created : 27.11.2012** Copyright 2007 - 2016 Zarafa Deutschland GmbH** This program is free software: you can redistribute it and/or modify* it under the terms of the GNU Affero General Public License, version 3,* as published by the Free Software Foundation.** This program is distributed in the hope that it will be useful,* but WITHOUT ANY WARRANTY; without even the implied warranty of* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the* GNU Affero General Public License for more details.** You should have received a copy of the GNU Affero General Public License* along with this program. If not, see <http://www.gnu.org/licenses></http:>.** Consult LICENSE file for details************************************************/// ************************// BackendIMAP settings// ************************// Defines the server to which we want to connectdefine('IMAP_SERVER', 'localhost');// connecting to default port (143)define('IMAP_PORT', '143');// best cross-platform compatibility (see http://php.net/imap_open for options)define('IMAP_OPTIONS', '/tls/norsh/novalidate-cert');// Mark messages as read when moving to Trash.// BE AWARE that you will lose the unread flag, but some mail clients do this so the Trash folder doesn't get boldeneddefine('IMAP_AUTOSEEN_ON_DELETE', false);// IMPORTANT: BASIC IMAP FOLDERS [ask your mail admin]// We can have diferent cases (case insensitive):// 1.// inbox// sent// drafts// trash// 2.// inbox// common.sent// common.drafts// common.trash// 3.// common.inbox// common.sent// common.drafts// common.trash// 4.// common// common.sent// common.drafts// common.trash//// gmail is a special case, where the default folders are under the [gmail] prefix and the folders defined by the user are under INBOX.// This configuration seems to work:// define('IMAP_FOLDER_PREFIX', '');// define('IMAP_FOLDER_PREFIX_IN_INBOX', false);// define('IMAP_FOLDER_INBOX', 'INBOX');// define('IMAP_FOLDER_SENT', '[Gmail]/Sent');// define('IMAP_FOLDER_DRAFT', '[Gmail]/Drafts');// define('IMAP_FOLDER_TRASH', '[Gmail]/Trash');// define('IMAP_FOLDER_SPAM', '[Gmail]/Spam');// define('IMAP_FOLDER_ARCHIVE', '[Gmail]/All Mail');// Since I know you won't configure this, I will raise an error unless you do.// When configured set this to true to remove the errordefine('IMAP_FOLDER_CONFIGURED', true);// Folder prefix is the common part in your names (3, 4)define('IMAP_FOLDER_PREFIX', '');// Inbox will have the preffix preppend (3 & 4 to true)define('IMAP_FOLDER_PREFIX_IN_INBOX', false);// Inbox folder name (case doesn't matter) - (empty in 4)define('IMAP_FOLDER_INBOX', 'INBOX');// Sent folder name (case doesn't matter)define('IMAP_FOLDER_SENT', 'SENT');// Draft folder name (case doesn't matter)define('IMAP_FOLDER_DRAFT', 'DRAFTS');// Trash folder name (case doesn't matter)define('IMAP_FOLDER_TRASH', 'TRASH');// Spam folder name (case doesn't matter). Only showed as special by iOS devicesdefine('IMAP_FOLDER_SPAM', 'SPAM');// Archive folder name (case doesn't matter). Only showed as special by iOS devicesdefine('IMAP_FOLDER_ARCHIVE', 'ARCHIVE');// forward messages inline (default true - inlined)define('IMAP_INLINE_FORWARD', true);// list of folders we want to exclude from sync. Names, or part of it, separated by |// example: dovecot.sieve|archive|spamdefine('IMAP_EXCLUDED_FOLDERS', '');// overwrite the "from" header with some value// options:// '' - do nothing, use the From header// 'username' - the username will be set (usefull if your login is equal to your emailaddress)// 'domain' - the value of the "domain" field is used// 'sql' - the username will be the result of a sql query. REMEMBER TO INSTALL PHP-PDO AND PHP-DATABASE// 'ldap' - the username will be the result of a ldap query. REMEMBER TO INSTALL PHP-LDAP!!// '@mydomain.com' - the username is used and the given string will be appendeddefine('IMAP_DEFAULTFROM', '');// DSN: formatted PDO connection string// mysql:host=xxx;port=xxx;dbname=xxx// USER: username to DB// PASSWORD: password to DB// OPTIONS: array with options needed// QUERY: query to execute// FIELDS: columns in the query// FROM: string that will be the from, replacing the column names with the valuesdefine('IMAP_FROM_SQL_DSN', '');define('IMAP_FROM_SQL_USER', '');define('IMAP_FROM_SQL_PASSWORD', '');define('IMAP_FROM_SQL_OPTIONS', serialize(array(PDO::ATTR_PERSISTENT => true)));define('IMAP_FROM_SQL_QUERY', "select first_name, last_name, mail_address from users where mail_address = '#username@#domain'");define('IMAP_FROM_SQL_FIELDS', serialize(array('first_name', 'last_name', 'mail_address')));define('IMAP_FROM_SQL_FROM', '#first_name #last_name <#mail_address>');define('IMAP_FROM_SQL_FULLNAME', '#first_name #last_name');// SERVER: ldap server// SERVER_PORT: ldap port// USER: dn to use for connecting// PASSWORD: password// QUERY: query to execute// FIELDS: columns in the query// FROM: string that will be the from, replacing the field names with the valuesdefine('IMAP_FROM_LDAP_SERVER', 'localhost');define('IMAP_FROM_LDAP_SERVER_PORT', '389');define('IMAP_FROM_LDAP_USER', 'cn=zpush,ou=servers,dc=zpush,dc=org');define('IMAP_FROM_LDAP_PASSWORD', 'password');define('IMAP_FROM_LDAP_BASE', 'dc=zpush,dc=org');define('IMAP_FROM_LDAP_QUERY', '(mail=#username@#domain)');define('IMAP_FROM_LDAP_FIELDS', serialize(array('givenname', 'sn', 'mail')));define('IMAP_FROM_LDAP_FROM', '#givenname #sn <#mail>');define('IMAP_FROM_LDAP_FULLNAME', '#givenname #sn');// Method used for sending mail// mail => mail() php function// sendmail => sendmail executable// smtp => direct connection against SMTPdefine('IMAP_SMTP_METHOD', 'smtp');global $imap_smtp_params;// SMTP Parameters// mail : no params$imap_smtp_params = array('host' => 'tls://localhost', 'port' => '465', 'auth' => true, 'username' => 'imap_username', 'password' => 'imap_password', 'verify_peer_name' => false, 'verify_peer' => false, 'allow_self_signed' => true);// sendmail//$imap_smtp_params = array('sendmail_path' => '/usr/bin/sendmail', 'sendmail_args' => '-i');// smtp// "host" - The server to connect. Default is localhost.// "port" - The port to connect. Default is 25.// "auth" - Whether or not to use SMTP authentication. Default is FALSE.// "username" - The username to use for SMTP authentication. "imap_username" for using the same username as the imap server// "password" - The password to use for SMTP authentication. "imap_password" for using the same password as the imap server// "localhost" - The value to give when sending EHLO or HELO. Default is localhost// "timeout" - The SMTP connection timeout. Default is NULL (no timeout).// "verp" - Whether to use VERP or not. Default is FALSE.// "debug" - Whether to enable SMTP debug mode or not. Default is FALSE.// "persist" - Indicates whether or not the SMTP connection should persist over multiple calls to the send() method.// "pipelining" - Indicates whether or not the SMTP commands pipelining should be used.// "verify_peer" - Require verification of SSL certificate used. Default is TRUE.// "verify_peer_name" - Require verification of peer name. Default is TRUE.// "allow_self_signed" - Allow self-signed certificates. Requires verify_peer. Default is FALSE.//$imap_smtp_params = array('host' => 'localhost', 'port' => 25, 'auth' => false);// If you want to use SSL with port 25 or port 465 you must preppend "ssl://" before the hostname or IP of your SMTP server// IMPORTANT: To use SSL you must use PHP 5.1 or later, install openssl libs and use ssl:// within the host variable// IMPORTANT: To use SSL with PHP 5.6 you should set verify_peer, verify_peer_name and allow_self_signed//$imap_smtp_params = array('host' => 'ssl://localhost', 'port' => 465, 'auth' => true, 'username' => 'imap_username', 'password' => 'imap_password');// If you are using IMAP_SMTP_METHOD = mail or sendmail and your sent messages are not correctly displayed you can change this to "\n".// BUT, it doesn't comply with RFC 2822 and will break if using smtp methoddefine('MAIL_MIMEPART_CRLF', "\r\n");// A file containing file mime types->extension mappings.// SELINUX users: make sure the file has a security context accesible by your apache/php-fpm processdefine('SYSTEM_MIME_TYPES_MAPPING', '/etc/mime.types');// Use BackendCalDAV for Meetings. You cannot hope to get that functionality working without a caldav backend.define('IMAP_MEETING_USE_CALDAV', false);