source: npl/mailserver/kopano_conf/root/etc/kopano/server.cfg

##############################################################
# SERVER SETTINGS

# IP Address to bind to (empty for ANY)
# Set to ::1 or 127.0.0.1 if connections should only come from localhost
# and through the webserver proxy
#server_bind            =



# Accept Unix pipe connections (not recommended to disable)
server_pipe_enabled     = yes

# Unix socket location
server_pipe_name        = /var/run/kopano/server.sock

# Priority Unix socket location
server_pipe_priority    = /var/run/kopano/prio.sock

# Name for identifying the server in a multi-server environment
server_name = Kopano

# Override the hostname of this server, used by Kerberos SSO if enabled
server_hostname =

# Database engine (mysql)
database_engine         = mysql

# Allow connections from normal users through the Unix socket
allow_local_users       = yes

# local admin users who can connect to any store (use this for the kopano-dagent)
# field is SPACE separated
# eg: local_admin_users = root vmail
#local_admin_users      = root kopano
local_admin_users       = root alias

# The user has full rights on a folder by default, uncomment the following line to disable this.
# owner_auto_full_access = false
owner_auto_full_access = true

# e-mail address of the Kopano System user
system_email_address    = postmaster@localhost

# drop privileges and run the process as this user
#run_as_user            = kopano

# drop privileges and run the process as this group
#run_as_group           = kopano

# create a pid file for stopping the service via the init.d scripts
#pid_file               = /var/run/kopano/server.pid

# run server in this path (when not using the -F switch)
#running_path = /var/lib/kopano

# Use given allocator library. Values like libtcmalloc.so.4,
# libtcmalloc_minimal.so.4 and libjemalloc.so.2 would work.
#allocator_library = default

# create memory coredumps upon crash [no, systemdefault, yes]
#coredump_enabled = systemdefault

# session timeout for clients. Values lower than 300 will be upped to 300
# automatically. If the server hears nothing from a client in session_timeout
# seconds, then the session is killed.
session_timeout         = 300

# for temporary files
# consider mounting a `tmpfs' underneath this path (wherever you
# point it to)
tmp_path = /tmp

##############################################################
# LOG SETTINGS

# Logging method (syslog, file), syslog facility is 'mail'
log_method              = file

# Logfile (for log_method = file, '-' for stderr)
log_file                = /var/log/kopano/server.log

# Loglevel (0(none), 1(crit), 2(err), 3(warn), 4(notice), 5(info), 6(debug))
#log_level              = 3

# Log timestamp - prefix each log line with timestamp in 'file' logging mode
log_timestamp           = 1

# Buffer logging in what sized blocks. 0 for line-buffered (syslog-style).
#log_buffer_size = 0

##############################################################
# AUDIT LOG SETTINGS

# Audit logging is by default not enabled
audit_log_enabled       = no

# Audit logging method (syslog, file), syslog facility is 'authpriv'
audit_log_method        = syslog

# Audit logfile (for log_method = file, '-' for stderr)
audit_log_file          = /var/log/kopano/audit.log

# Audit loglevel (0=no logging, 1=full logging)
audit_log_level         = 1

# Audit log timestamp - prefix each log line with timestamp in 'file' logging mode
audit_log_timestamp     = 1

##############################################################
# MYSQL SETTINGS (for database_engine = mysql)

# MySQL hostname to connect to for database access
mysql_host              = localhost

# MySQL port to connect with (usually 3306)
mysql_port              = 3306

# The user under which we connect with MySQL
mysql_user              = zarafa

# The password for the user (leave empty for no password)
mysql_password          = %mysql_passwd%

# Override the default MySQL socket to access mysql locally
# Works only if the mysql_host value is empty or 'localhost'
#mysql_socket           =
mysql_socket            = /var/run/mysql/mysql.sock

# Database to connect to
mysql_database          = zarafa

# Where to place attachments. Value can be 'database', 'files' or 's3'
attachment_storage      = files

# Enable fsync as method to make sure attachments are stored on disk where
# supported and will not be buffered by OS and/or filesystem. Please note
# this setting will lower attachment write performance depending on your
# environment but enhances data safety with disaster recovery.
# Only affects 'files' attachment storage backend.
attachment_files_fsync  = yes

# When attachment_storage is 'files', use this path to store the files
# When attachment_storage is 's3', use this path to set a prefix to all
# attachment data of a certain cluster, for example 'attach'
attachment_path         = /home/system/kopano

# Compression level for attachments when attachment_storage is 'files'.
# Set compression level for attachments disabled=0, max=9
attachment_compression  = 6

##############################################################
# S3 STORAGE SETTINGS (for attachment_storage = s3)

# The hostname of the entry point to the S3 cloud where the bucket is located
# If you are using miniio or an other S3 compatible implementation that
# is using another port, you can specify the port with hostname:port.
#attachment_s3_hostname = s3-eu-west-1.amazonaws.com

# The region where the bucket is located
#attachment_s3_region = eu-west-1

# The protocol that should be used to connect to S3, 'http' or 'https' (preferred)
#attachment_s3_protocol = https

# The URL style of the bucket, "virtualhost" or "path"
#attachment_s3_uristyle = virtualhost

# The access key id of your S3 account
#attachment_s3_accesskeyid =

# The secret access key of your S3 account
#attachment_s3_secretaccesskey =

# The bucket name in which the files will be stored
#attachment_s3_bucketname =

##############################################################
#  SSL SETTINGS


# Required Server certificate, contains the certificate and the private key parts
server_ssl_key_file     = /usr/webint/ssl/server.pem

# Password of Server certificate
server_ssl_key_pass     = replace-with-server-cert-password

# Required Certificate Authority of server
server_ssl_ca_file      = /usr/webint/ssl/server.crt

# Path with CA certificates, e.g. /etc/ssl/certs
server_ssl_ca_path      =

# SSL protocols to use, space-separated list of protocols
# (SSLv3 TLSv1 TLSv1.1 TLSv1.2); prefix with ! to lock out a protocol.
#server_ssl_protocols =

# SSL ciphers to use, set to 'ALL' for backward compatibility
server_ssl_ciphers = ALL:!LOW:!SSLv2:!EXP:!aNULL

# Prefer the server's order of SSL ciphers over client's
server_ssl_prefer_server_ciphers = no

# Path of SSL Public keys of clients
sslkeys_path            = /etc/kopano/sslkeys

##############################################################
# THREAD SETTINGS

# Number of server threads
# default: 8
#threads                                =       8
threads                         =       16

# Watchdog frequency. The number of watchdog checks per second.
# default: 1
watchdog_frequency      =       1

# Watchdog max age. The maximum age in ms of a task before a
# new thread is started.
# default: 500
watchdog_max_age        =       500

# Maximum SOAP keep_alive value
# default: 100
server_max_keep_alive_requests  =       100

# SOAP recv timeout value (time between requests)
# default: 5
server_recv_timeout     =       5

# SOAP read timeout value (time during requests)
# default: 60
server_read_timeout     =       60

# SOAP send timeout value
# default: 60
server_send_timeout     =       60

##############################################################
#  OTHER SETTINGS

# Softdelete clean cycle (in days) 0=never running
# softdelete_lifetime   = 30
# (SYN-3 uses a cronjob)
softdelete_lifetime     = 0

# Sync lifetime, removes all changes remembered for a client after x days of inactivity
sync_lifetime           = 90

# Set to 'yes' if you have Kerberos or NTLM correctly configured for single sign-on
enable_sso = no

# Set to 'yes' if you want to show the GAB to your users
enable_gab = yes

# Authentication can be through plugin (default, recommended), pam or kerberos
auth_method = plugin

# If auth_method is set to pam, you should provide the pam service name
pam_service = passwd


#############################################################
# CACHE SETTINGS
#
# To see the live cache usage, use 'kopano-stats --system'.
#SYN-3 caching config for around 1000 users.

# Size in bytes of the 'cell' cache (should be set as high as you can afford to set it)
#cache_cell_size                                = 256M
# around 25% of total RAM size
cache_cell_size                 = 1G

# Size in bytes of the 'object' cache
#cache_object_size = 16M
#  about 100kb per user
cache_object_size               = 100M

# Size in bytes of the 'indexed object' cache
#cache_indexedobject_size = 32M
# about 512kb per user
cache_indexedobject_size        = 512M


# Size in bytes of the userquota details
cache_quota_size                        = 1M

# Lifetime for userquota details
cache_quota_lifetime            = 1

# Size in bytes of the acl cache
cache_acl_size                          = 1M

# Size in bytes of the store id/guid cache
#cache_store_size                       = 1M
cache_store_size=512M

# Size in bytes of the 'user id' cache (this is allocated twice)
cache_user_size                         = 1M

# Size in bytes of the 'user details' cache
cache_userdetails_size          = 25M

# Lifetime for user details
cache_userdetails_lifetime      = 0

# Size in bytes of the server details (multiserver setups only)
cache_server_size                       = 1M

# Lifetime for server details (multiserver setups only)
cache_server_lifetime   = 30


##############################################################
#  QUOTA SETTINGS

# The default Warning Quota Level. Set to 0 to disable this level.
# The user will receive an email when this level is reached. Value is in Mb. Default value is 0.
quota_warn              = 0

# The default Soft Quota Level. Set to 0 to disable this level.
# The user will still receive mail, but sending new mail is prohibited, until objects are removed from the store.
# VALUE is in Mb. Default value is 0.
quota_soft              = 0

# The default Hard Quota Level. Set to 0 to disable this level.
# The user can not receive and send mail, until objects are removed from the store.
# Value is in Mb. Default value is 0.
quota_hard              = 0

# The default Warning Quota Level for multitenant public stores. Set to 0 to disable this level.
# The tenant administrator will receive an email when this level is reached. Value is in Mb. Default value is 0.
companyquota_warn      = 0


##############################################################
#  USER PLUGIN SETTINGS

# Name of the plugin that handles users
# Required, default = db
# Values: ldap, unix, db
user_plugin             = ldap

# configuration file of the user plugin, examples can be found in /usr/share/doc/kopano/example-config
user_plugin_config      = /etc/kopano/ldap.cfg

# scripts which create stores for users from an external source
# used for ldap and unix plugins only
createuser_script               =       /etc/kopano/userscripts/createuser
deleteuser_script               =       /etc/kopano/userscripts/deleteuser
creategroup_script              =       /etc/kopano/userscripts/creategroup
deletegroup_script              =       /etc/kopano/userscripts/deletegroup
createcompany_script    =       /etc/kopano/userscripts/createcompany
deletecompany_script    =       /etc/kopano/userscripts/deletecompany

# Set this option to 'yes' to skip the creation and deletion of new users
# The action will be logged, so you can see if your changes to the plugin
# configuration are correct.
user_safe_mode = no

##############################################################
# MISC SETTINGS

# Enable multi-tenancy environment
# When set to true it is possible to create tenants within the
# kopano instance and assign all users and groups to particular
# tenants.
# When set to false, the normal single-tenancy environment is created.
enable_hosted_kopano = false

# Enable multi-server environment
# When set to true it is possible to place users and tenants on
# specific servers.
# When set to false, the normal single-server environment is created.
enable_distributed_kopano = false

# Display format of store name
# Allowed variables:
#  %u Username
#  %f Full name
#  %c Tenant's name
# default: %f
storename_format = %f

# Loginname format (for Multi-tenancy installations)
# When the user does not login through a system-wide unique
# username (like the email address) a unique name is created
# by combining the username and the tenantname.
# With this configuration option you can set how the
# loginname should be built up.
#
# Note: Do not use the = character in the format.
#
# Allowed variables:
#  %u Username
#  %c Teantname
#
# default: %u
loginname_format = %u

# Everyone is a special internal group, which contains every user and group
# You may want to disable this group from the Global Addressbook by setting
# this option to 'yes'. Administrators will still be able to see the group.
hide_everyone = no

# System is a special internal user, which has super-admin privileges
# You may want to disable this user from the Global Addressbook by setting
# this option to 'yes'. Administrators will still be able to see the user.
hide_system = yes

# Use Indexing service for faster searching.
# Enabling this option requires the kopano-search service to
# be running.
search_enabled = yes

# Path to the kopano-search service, this option is only required
# if the server is going to make use of the indexing service.
search_socket = file:///var/run/kopano/search.sock

# Time (in seconds) to wait for a connection to the kopano-search service
# before terminating the indexed search request.
search_timeout = 10

# Allow enhanced ICS operations to speedup synchronization with cached profiles.
# default: yes
enable_enhanced_ics = yes

# SQL Procedures allow for some optimized queries when streaming with enhanced ICS.
# This is default disabled because you must set 'thread_stack = 256k' in your
# MySQL server config under the [mysqld] tag and restart your MySQL server.
#enable_sql_procedures = no
enable_sql_procedures = yes

# Synchronize GAB users on every open of the GAB (otherwise, only on
# kopano-admin --sync)
sync_gab_realtime = yes

# Disable features for users. This list is space separated.
# Currently valid values: imap pop3 mobile outlook
#disabled_features = imap pop3
disabled_features =

# Maximum number of deferred records in total
max_deferred_records = 0

# Maximum number of deferred records per folder
max_deferred_records_folder = 20

# Restrict the permissions that admins receive to folder permissions only. Please
# read the server.cfg manpage before enabling this option so you really understand
# the implications
restrict_admin_permissions = no

# The maximum level of attachment recursion; Defines the number of
# attachment-in-attachment in-attachment levels are allowed when saving and
# replicating objects in the database. If you really want a higher level of
# recursion than about 20, you probably have to increase MySQL's stack_size
# to allow replication to work properly.
embedded_attachment_limit = 20

# Header to detect whether a connection has been received through a proxy. The
# value of the header is not inspected. If the header exists then the connection
# is taken to be received via a proxy. An empty value disables proxy detection
# and the value of '*' is used to indicate that all connections are proxied
proxy_header =

# Enable/disable reminders for shared stores
shared_reminders = yes