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imapd.conf(4)
NAME
  imapd.conf - IMAP configuration file

SYNOPSIS
  /etc/imapd.conf

DESCRIPTION
  The /etc/imapd.conf file is the configuration file for the IMAP server.  It
  defines local parameters for IMAP.

  Each line of the /etc/imapd.conf file has the form option: value where
  option is the name of the configuration option being set and value is the
  value that the configuration option is being set to.

  Blank lines and lines beginning with ``#'' are ignored.

  For Boolean options, the values ``yes'', ``on'', ``t'', and ``1'' turn the
  option on, the values ``no'', ``off'', ``f'', and ``0'' turn the option
  off.

Field Descriptions
  The following sections detail options that can be placed in the
  /etc/imapd.conf file, and show each option's default value.  Some options
  have no default value, these are listed with ``<no default>''.  Some
  options default to the empty string, these are listed with ``<none>''.

  configdirectory: <no default>
	    The pathname of the IMAP configuration directory.  This field is
	    required.

  defaultpartition: default
	    The partition name used by default for new mailboxes.

  partition-name: <no default>
	    The pathname of the partition name.	 At least one field, for the
	    partition named in the defaultpartition option, is required.  For
	    example, if the value of the defaultpartition option is default,
	    then the partition-default field is required.

  umask: 077
	    The umask value used by various IMAP programs.

  allowanonymouslogin: no
	    Permit logins by the user "anonymous" using any password.  Also
	    allows use of the SASL ANONYMOUS mechanism.

  quotawarn: 90
	    The percent of quota utilization over which the server generates
	    warnings.

  timeout: 30
	    The length of the IMAP server's inactivity autologout timer, in
	    minutes.  The minimum value is 30, the default.

  admins: <none>
	    The list of userids with administrative rights.  Separate each
	    userid with a space.

	    Any account that receives mail via the IMAP server should not be
	    included in the list as an administrator account.  This could
	    cause problems.  For instance, this type of administrator would
	    be able to create top-level mailboxes that are visible to users,
	    but not writable by users.

  defaultacl: anyone lrs
	    The Access Control List (ACL) placed on a newly-created (non-
	    user) mailbox that does not have a parent mailbox.

  autocreatequota: 0
	    If nonzero, normal users may create their own IMAP accounts by
	    creating the mailbox INBOX.	 The user's quota is set to the value
	    if it is positive, otherwise the user has unlimited quota.

  logtimestamps: no
	    Include notations in the protocol telemetry logs indicating the
	    number of seconds since the last command or response.

  reject8bit: no
	    If enabled, the deliver command rejects messages with 8-bit
	    characters in their headers.  Otherwise, 8-bit characters are
	    changed to X.

  plaintextloginpause: 0
	    Number of seconds to pause after a successful plain text login.
	    For systems that support strong authentication, this permits
	    users to perceive the cost of using plain text passwords.  (This
	    does not affect the use of PLAIN in SASL authentications.)

  srvtab: /etc/srvtab
	    The pathname of the srvtab file that contains the server's
	    private key.  This option is passed to the SASL library and
	    overrides its default setting.

  loginrealms: <none>
	    The list of remote realms whose users may log in using cross-
	    realm authentications.  Separate each realm name by a space.  (A
	    cross-realm identity is considered any identity returned by SASL
	    with an "@" in it.)

  loginuseacl: no
	    If enabled, any authentication identity that has rights on a
	    user's INBOX may log in as that user.

  hashimapspool: false
	    If enabled, the user mailbox directories in the
	    /var/spool/imap/user directory are sorted into subdirectories a
	    through z, just as the files in the user and quota configuration
	    directories.  This is recommended if the data partition has a
	    highly populated mailbox tree.

  sasl_pwcheck_method: tru64
	    The mechanism used by the server to verify plain text passwords.
	    In Tru64 UNIX, this should be set to tru64.	 It is needed for
	    authentication in a C2 environment and for proper mail password
	    usage.  Other possible values also include passwd and shadow.

  sasl_auto_transition: no
	    If enabled, the SASL library automatically creates authentication
	    secrets when given a plain text password.

  sasl_option:
	    Any other SASL option can be set by preceding it with sasl_.

RELATED INFORMATION
  Commands: cyradm(1), deliver(8), imapd(8), imapquota(8), reconstruct(8)

  Network Administration: Services

Index for Section 4

Alphabetical listing for I

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