- use macros in %{pre,post}{,un}

[packages/courier-imap.git] / courier-imap.sysconfig

# Address to listen on, can be set to a single IP address.
#
ADDRESS=0.0.0.0

# Maximum number of IMAP servers started
#
MAXDAEMONS=40

# Maximum number of connections to accept from the same IP address
#
MAXPERIP=4

# Where mail is stored (relative to $HOME)
#
MAILDIR="Maildir"

# Miscellaneous couriertcpd options that shouldn't be changed.
#
#TCPDOPTS="-nodnslookup -noidentlookup"

# If this version of Courier-IMAP includes support for CRAM-MD5
# authentication (the authcram authentication modules gets compiled and
# installed), you change IMAP_CAPABILITY below to read as follows:
#
# IMAP_CAPABILITY="IMAP4rev1 CHILDREN NAMESPACE THREAD=ORDEREDSUBJECT THREAD=REFERENCES SORT AUTH=CRAM-MD5"
#
IMAP_CAPABILITY="IMAP4rev1 CHILDREN NAMESPACE THREAD=ORDEREDSUBJECT THREAD=REFERENCES SORT"

# The following setting will advertise SASL PLAIN authentication after
# STARTTLS is established.  If you want to allow SASL PLAIN authentication
# with or without TLS then just comment this out, and add AUTH=PLAIN to
# IMAP_CAPABILITY
#
IMAP_CAPABILITY_TLS="$IMAP_CAPABILITY AUTH=PLAIN"

# Set IMAP_DISABLETHREADSORT to disable the THREAD and SORT commands -
# server side sorting and threading.
#
# Those capabilities will still be advertised, but the server will reject
# them.  Set this option if you want to disable all the extra load from
# server-side threading and sorting.  Not advertising those capabilities
# will simply result in the clients reading the entire folder, and sorting
# it on the client side.  That will still put some load on the server.
# advertising these capabilities, but rejecting the commands, will stop this
# silliness.
#
IMAP_DISABLETHREADSORT=0

# Set IMAP_CHECK_ALL_FOLDERS to 1 if you want the server to check for new
# mail in every folder.  Not all IMAP clients use an IMAP's server new mail
# indicator, but some do, and normally new mail is checked only in INBOX,
# because it is a comparatively time consuming operation, and it would be
# a complete waste of time unless mail filters are used to deliver new
# mail directly to folders.
#
# When IMAP clients are used which support new mail indication, and when
# mail filters are used to sort incoming mail into folders, setting
# IMAP_CHECK_ALL_FOLDERS to 1 will allow IMAP clients to announce new
# mail in folders.  Note that this will result in slightly more load on the
# server.
#
IMAP_CHECK_ALL_FOLDERS=0

# Set IMAP_OBSOLETE_CLIENT if your IMAP client expects \\NoInferiors to mean
# what \\HasNoChildren really means.
#
IMAP_OBSOLETE_CLIENT=0

# IMAP_ULIMITD sets the maximum size of the data segment of the server
# process.  The value of IMAP_ULIMITD is simply passed to the "ulimit -d"
# command.  The argument to ulimit -d sets the upper limit on the size
# of the data segment of the server process, in kilobytes.  The default
# value of 65536 sets a very generous limit of 64 megabytes, which should
# be more than plenty for anyone.
#
# This feature is used as an additional safety check that should stop
# any potential denial-of-service attacks that exploit any kind of
# a memory leak to exhaust all the available memory on the server.
# It is theoretically possible that obscenely huge folders will also
# result in the server running out of memory when doing server-side
# sorting (by my calculations you have to have at least 100,000 messages
# in a single folder, for that to happen).
#
IMAP_ULIMITD=65536

# Set IMAP_USELOCKS to 1 if you experience weird problems when using IMAP
# clients that open multiple connections to the server.  I would hope that
# most IMAP clients are sane enough not to issue commands to multiple IMAP
# channels which conflict with each other.
#
IMAP_USELOCKS=0

# Purge messages from the Trash folder after this number of days.  This is
# mainly for the Netscape Communicator client, which automatically moves
# deleted messages into Trash.  Remove this variable complete to disable
# Trash purging.
#
IMAP_EMPTYTRASH=7

# Set IMAP_MOVE_EXPUNGE_TO_TRASH to move expunged messages to Trash.  This
# effectively allows an undo of message deletion by fishing the deleted
# mail from trash.  Trash can be manually expunged as usually, and mail
# will get automatically expunged from Trash according to IMAP_EMPTYTRASH.
#
# NOTE: shared folders are still expunged as usual.  Shared folders are
# not affected.
#
IMAP_MOVE_EXPUNGE_TO_TRASH=0

# Whether or not to start IMAP over SSL on simap port:
#
IMAPDSSLSTART=NO

# Whether or not to implement IMAP STARTTLS extension instead:
#
IMAPDSTARTTLS=YES

# Set IMAP_TLS_REQUIRED to 1 if you REQUIRE STARTTLS for everyone.
# (this option advertises the LOGINDISABLED IMAP capability, until STARTTLS
# is issued).
#
#IMAP_TLS_REQUIRED=1

# TLS_PROTOCOL sets the protocol version.  The possible versions are:
#
# SSL2 - SSLv2
# SSL3 - SSLv3
# TLS1 - TLS1
#
TLS_PROTOCOL=SSL3

# TLS_CIPHER_LIST optionally sets the list of ciphers to be used by the
# OpenSSL library.  In most situations you can leave TLS_CIPHER_LIST
# undefined
#
#TLS_CIPHER_LIST="ALL:!ADH:RC4+RSA:+SSLv2:@STRENGTH"

# TLS_DHCERTFILE - PEM file that stores our Diffie-Hellman cipher pair.
# When OpenSSL is compiled to use Diffie-Hellman ciphers instead of RSA
# you must generate a DH pair that will be used.  In most situations the
# DH pair is to be treated as confidential, and the file specified by
# TLS_DHCERTFILE must not be world-readable.
#
#TLS_DHCERTFILE=

# TLS_CERTFILE - certificate to use.  TLS_CERTFILE is required for SSL/TLS
# servers, and is optional for SSL/TLS clients.  TLS_CERTFILE is usually
# treated as confidential, and must not be world-readable.
#
TLS_CERTFILE=/var/lib/openssl/certs/imapd.pem

# TLS_PEERCERTDIR, TLS_OURCACERT - when it is required that all peer
# certificates are signed by a specific certificate authority, set
# TLS_OURCACERT to the name of the file containing the certificate authority
# root key, and set TLS_PEERCERTDIR to the name of the directory containing
# the allowed certificates.
#
#TLS_PEERCERTDIR=
#TLS_OURCACERT=

# TLS_VERIFYPEER - how to verify peer certificates.  The possible values of
# this setting are:
#
# NONE - do not verify anything
#
# PEER - verify the peer certificate, if one's presented
#
# REQUIREPEER - require a peer certificate, fail if one's not presented
#
# SSL/TLS servers will usually set TLS_VERIFYPEER to NONE.  SSL/TLS clients
# will usually set TLS_VERIFYPEER to REQUIREPEER.
#
TLS_VERIFYPEER=NONE

# TLS_ALLOWSELFSIGNEDCERT - this is an alternative to clients using
# TLS_VERIFYPEER=NONE.  TLS_ALLOWSELFSIGNEDCERT ignores server certificates
# that are not signed by a recognized certificate authority.  This allows
# clients to simply verify that a server certificate is available.
#
#TLS_ALLOWSELFSIGNEDCERT=1