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===========================================
 Upgrading Horde Groupware Webmail Edition
===========================================

:Contact: horde@lists.horde.org

.. contents:: Contents
.. section-numbering::


Introduction
============

These are instructions to upgrade from earlier Horde Groupware Webmail Edition
versions.  Please backup your existing data before running any of the steps
described below, you need the backups in case anything goes wrong with the
upgrade process, which cannot be reverted automatically. You can't use the
updated data with your old Horde Groupware Webmail Edition version anymore.

Please see below for changes between certain Horde Groupware versions that are
not covered by the update script.


Upgrading any Horde Groupware Webmail Edition 4 or later
========================================================

Upgrading Horde Groupware Webmail Edition is as easy as running::

   pear upgrade -a -B horde/webmail

If you want to upgrade from a Horde Groupware Webmail Edition version
prior to 4.0, please follow the instructions in INSTALL_ to install
the most recent Horde Groupware Webmail Edition version using the PEAR
installer.

After updating to a newer Horde Groupware Webmail Edition version, you
**always** need to update configurations and database schemes. Log in
as an administrator, go to Administration => Configuration and update
anything that's highlighted as outdated.


Upgrading Horde Groupware Webmail Edition from 5.1.x to 5.2
===========================================================


-----------
Base Module
-----------


Configuration Options (conf.php)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

New logging options for ActiveSync logging have been added. It is now possible
to log all devices to a single log file or to device specific files.
Additionally, it is also possible to select between including the raw wbxml
stream in the output, or prune tag content greater than 50 bytes. The
ActiveSync configuration section should be revisited.

It is now possible to use X509 certificates either in addition to, or in place
of traditional HTTP Basic authentication for ActiveSync. Refer to the
ActiveSync configuration section for more details.

An additional option is now available for the SMTP Mailer driver: 'lmtp'.

A new NoSQL driver is now available for storing ActiveSync device state. Refer
to the ActiveSync configuration section for more details.

The History driver can now be explicitly defined in the configuration (and a
new NoSQL driver has been added).

Additional options are now available for the Predis HashTable driver:
'password', 'persistent', and 'protocol'. Additionally, the 'hostspec' and
'port' options now accept multiple values (separated by commas).

The following options were added::

    $conf['activesync']['logging']['level']
    $conf['activesync']['auth']['type']
    $conf['activesync']['auth']['params']
    $conf['activesync']['storage']
    $conf['activesync']['params']['driverconfig']
    $conf['cachecssparams']['filemtime']
    $conf['history']['driver']
    $conf['history']['params']['driverconfig']
    $conf['mailer']['params']['password_auth']
    $conf['mailer']['params']['username_auth']

The available options for the following options were changed::

    $conf['activesync']['logging']['type']
    $conf['mailer']['params']['password'] (for SMTP)
    $conf['mailer']['params']['username'] (for SMTP)

The default value for the following options were changed::

    $conf['prefs']['maxsize']

The following options were removed::

    $conf['mailformat']['brokenrfc2231']


Hooks (hooks.php)
~~~~~~~~~~~~~~~~~

New ActiveSync related hooks have been added::

    activesync_create_device
    activesync_device_check
    activesync_device_modify

Read the comments at the top of the hooks.php file for descriptions of each
hook.


Registry Options (registry.php)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

The 'staticfs' and 'staticuri' configuration options were added to the 'horde'
configuration.


-----------
Mail Module
-----------


Server Options (imp/config/backends.php)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

The 'format' quota option has been removed.

The 'cache_lifetime' option is now honored for the 'cache' and 'hashtable'
caching backends.

The 'interval' parameter has been added to the quota configuration.

The 'lmtp' parameter has been added to the smtp configuration.


Configuration Options (imp/config/conf.php)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

The following options have been added::

   $conf['compose']['htmlsig_img_size']
   $conf['compose']['link_attach_size_hard']
   $conf['contactsimage']['backends']
   $conf['maillog']['driver']

The following options have been removed::

   $conf['compose']['ac_threshold']
   $conf['compose']['convert_to_related']
   $conf['maillog']['use_maillog']

The default value for the following options have been changed:

   $conf['pgp']['keylength']


Hooks (imp/config/hooks.php)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~

The following hooks have been added::

   compose_addr


MIME Viewer Options (imp/config/mime_drivers.php)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

The 'pgp_inline' config parameter has been added to the plaintext driver.
The 'thumbnails_dataurl' config parameter has been added to the images driver.


Permissions
~~~~~~~~~~~

The 'max_bodysize' permission has been added.


Preferences (imp/config/prefs.php)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

The following preferences have been added::

   signature_show_compose

The following preferences have been removed::

   default_msg_charset
   mail_domain
   mimp_download_confirm
   mimp_inline_all
   mimp_preview_msg
   pgp_scan_body

The default value for the following preferences have been changed::

   ckeditor_buttons


API Changes
~~~~~~~~~~~

These API calls have been changed::

   - mailboxList

     Added the 'subscribed' return value.


--------------
Filters Module
--------------


API Changes
~~~~~~~~~~~

Added the 'newEmailFilter' API link.  Takes one argument: 'email', the
e-mail address to pre-populate into a new rule.


Backend Configuration (ingo/config/backends.php)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

The Sieve driver now uses the 'enotify' extension by default. If using an
old version of Sieve that only supports the deprecated 'notify' setting, set
'notify' to true in the sieve script parameters (see backends.php).

The Sieve driver now uses 'imap4flags' by default to set flags. If using an
old version of Sieve that only supports the deprecated 'imapflags' setting,
set 'imapflags' to true in the sieve script parameters (see backends.php).


Configuration Options (ingo/config/conf.php)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

The following options have been removed (see Permissions section for
replacement functionality)::

   $conf['storage']['maxblacklist']
   $conf['storage']['maxwhitelist']


Permissions
~~~~~~~~~~~

Ingo permissions are now applied per backend. To upgrade existing permissions,
an admin needs to run the following script::

   bin/ingo-admin-upgrade --task=backend_perms

The following permissions have been added::

   max_blacklist
   max_forward
   max_whitelist

The following permissions have been removed::

   allow_rules (replacement: set max_rules permission to 0)


-------------------
Address Book Module
-------------------


Attribute Changes
~~~~~~~~~~~~~~~~~

  - Categories have been replaced by Tags. As such, you **must** update any
    local source definitions and remove the "Category" attribute.


Configuration Options (turba/config/conf.php)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

The following options have been added::

   $conf['tags']['enabled']


Upgrading Horde Groupware Webmail Edition from 5.1.x to 5.1.2
=============================================================


-----------
Mail Module
-----------


Hooks (imp/config/hooks.php)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~

The 'trailer' hook now has two additional parameters in addition to the
previously existing $html parameter: $identity and $to. Further details on
the content of these parameters can be found in hooks.php.dist.


Upgrading Horde Groupware Webmail Edition from 5.0.x to 5.1
===========================================================


-----------
Base Module
-----------


Configuration Options (conf.php)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

It is now possible to configure Horde-wide settings for a NoSQL database
backend. Addtionally, several Horde packages now allow a NoSQL backend driver
to be used.

The Memcache configuration options have been deprecated and have been replaced
by the generic Horde_HashTable package (which supports both Memcache and Redis
servers). Although the previous memcache configuration will continue to work
in Horde 5.x, it is recommended to upgrade to the new 'hashtable'
configuration setup.

The following options were added::

   $conf['auth']['resetpassword_from']

The following options were removed::

   $conf['cache']['compress']
   $conf['cachecssparams']['compress']


Hooks (hooks.php)
~~~~~~~~~~~~~~~~~

The 'ajaxaction' hook has been deprecated and replaced with the
'ajaxaction_handle' hook (new hook needed in order to allow, e.g., adding
tasks to the outgoing response).

The following hooks were added::

   ajaxaction_data


-----------
Mail Module
-----------


Server Options (imp/config/backends.php)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Sorting on non-IMAP servers, or IMAP servers that do not support the SORT
extension, has been disabled by default in IMP 6.1. To restore the old
behavior (NOT RECOMMENDED), see the 'sort_force' option in
``config/backends.local.php``.

The 'debug' option has been added to the SMTP configuration.

IMAP/POP caching can now be done using database backends (see documentation
for the 'cache' parameter).

The following quota drivers have been removed::

   Command
   Maildir
   Mdaemon
   Mercury32
   Sql


Configuration Options (imp/config/conf.php)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

The $conf['user']['allow_folders'] option has been removed. This can now be
set per-backend using the Horde permissions system.

The $conf['server']['fixed_folders'] option has been removed. Preventing
actions on a specific mailbox can be controlled via native IMAP ACLs or,
alternatively, by the 'mbox_acl' hook.

The $conf['user']['autocreate_special'] option has been removed. This can now
be set on a per-backend basis in ``config/backends.local.php``
('autocreate_special' option).

The $conf['msgsettings']['filtering'] and $conf['msgsettings']['replacement']
options have been removed. This feature has been moved to the 'msg_filter'
hook.

The following spam-reporting options have been removed and can now be
configured per-backend in ``config/backends.local.php``::

   $conf['notspam']['email']
   $conf['notspam']['email_format']
   $conf['notspam']['program']
   $conf['notspam']['reporting']
   $conf['notspam']['spamfolder']
   $conf['spam']['email']
   $conf['spam']['email_format']
   $conf['spam']['program']
   $conf['spam']['reporting']
   $conf['spam']['spamfolder']

The following options have been added::

   $conf['pgp']['keylength']

The following options have been removed::

   $conf['compose']['link_all_attachments']


Hooks (imp/config/hooks.php)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~

The 'attach_body_check' hook has been added. This hook handles the attachment
word checking code that previously was provided as an example in the
'pre_sent' hook.

The 'compose_attach' hook has been removed and replaced by the
'compose_attachment' hook. Both hooks are designed for the same purpose;
however, the arguments have been completely changed so it is safest to
entirely deprecate usage of the previous hook.

The 'mbox_readonly' hook has been removed. Mailbox permissions can instead be
controlled via native IMAP ACLs or, alternatively, by the 'mbox_acl' hook.

The 'mbox_special' hook has been removed. Additional special mailboxes can
now be defined per-backend in ``config/backends.local.php``.

The 'mailboxarray' and 'msglist_flags' hooks have been altered to remove the
second argument ($mode). If the current view mode is needed, it can be
obtained via a call to $GLOBALS['registry']->getView().

The 'spam_email' hook has been removed. This configuration can now be defined
per-backend in ``config/backends.local.php``.

The $html argument to the 'trailer' hook has been added.

The following hooks have been added::

   mbox_acl
   msg_filter

The following hooks have been removed::

   dimp_messageview
   dimp_previewview
   mimp_advanced
   signature


MIME Viewer Options (imp/config/mime_drivers.php)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Thumbnails can now be disabled for images and PDF attachments.

Thumbnails are now automatically generated for video attachments if the ffmpeg
binary is present on your system.  This is enabled by default.


Permissions
~~~~~~~~~~~

IMP permissions are now applied per backend. To upgrade existing permissions,
an admin needs to run the following script::

   bin/imp-admin-upgrade --task=backend_perms


Preferences (imp/config/prefs.php)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

The default values for these preferences have been changed::

   request_mdn

The following preferences are no longer used and may be safely removed from
your preference backend (only after all users have logged in - these
preferences MAY be used to automatically upgrade to new preferences when
a user logs into IMP 6 for the first time)::

   compose_bcc
   compose_cc
   link_attach


API Changes
~~~~~~~~~~~

These API calls have been added::

   - getMaillog
   - getMaillogChanges
   - logMaillog


--------------
Filters Module
--------------


Backend Configuration (ingo/config/backends.php)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

The 'script' and 'transport' settings of the backend configuration have been
changed from strings to arrays, to allow different backends for different
filter rules.


API Changes
~~~~~~~~~~~

The applyFilters() no longer returns a value.


-------------------
Address Book Module
-------------------


Attribute Changes
~~~~~~~~~~~~~~~~~

  - The "instantMessenger" attribute has been replaced by the "imaddress",
    "imaddress2", and "imaddress3" attributes.

  - The default SQL schema has been updated, as well as the out of the box
    field definitions for the 'localsql' source. You must execute the database
    migrations for Turba to ensure you have the latest schema.


Upgrading Horde Groupware Webmail Edition from 5.0 to 5.0.1
===========================================================


-----------
Base Module
-----------


Weather portal block
~~~~~~~~~~~~~~~~~~~~

Google no longer provides a weather API. Support for this has therefore been
removed from Horde. If you were using Google as a source for weather, you will
need to pick a new provider and update the Horde configuration.


Upgrading Horde Groupware Webmail Edition from 4.x to 5.x
=========================================================


-----------
Base Module
-----------


Configuration Options (config/conf.php)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

The $conf['session']['max_time'] option was added. The default is no maximum
session time, the same behavior as in Horde Groupware Webmail Edition 4.

The $conf['cachecssparams']['url_version_param'] option was added. This option
is only used if no CSScaching is selected (a configuration that is NOT
recommended for production servers). The new default is to add version
information to CSS server URLs, which is altered behavior from Horde Groupware
Webmail Edition 4.

The $conf['cachejsparams']['url_version_param'] option was added. This option
is only used if no javascript caching is selected (a configuration that is NOT
recommended for production servers). The new default is to add version
information to javascript server URLs, which is altered behavior from Horde
Groupware Webmail Edition 4.


Hooks (config/hooks.php)
~~~~~~~~~~~~~~~~~~~~~~~~

The 'appauthenticated' hook has been added.

The behavior of the 'pushapp' hook has changed - it is now called a maximum of
one time per page access for an application.

The 'appinitialized' hook was removed (replaced by the 'appauthenticated'
hook).

The 'pushapp_post' hook was removed.

See ``config/hooks.php.dist`` for further details.


Preferences (config/prefs.php)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

The 'sending_charset' preference now defaults to 'UTF-8'.

The 'menu_view' and 'show_sidebar' preferences have been removed.


ActiveSync (EAS) Integration
~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Email support has been added, along with support for the EAS 12.0 and 12.1
protocol versions. New configuration options have been added to support this.
You MUST update Horde Groupware Webmail Edition's ActiveSync configuration.

The Custom logging option has been changed to ALWAYS be a path to a directory,
and not a specific filename.

The security policy settings have been moved out of the global configuration and
into the permissions system for greater per user control over policies.

New database migrations have been added, you MUST run these migrations for
ActiveSync to work.


-----------
Mail Module
-----------

The basic view now requires javascript support on the browser. If not
available, the user will automatically be redirected to the minimal view.


Server Options (imp/config/backends.php)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

The 'namespace' option now requires the namespaces to be in the UTF-8 charset,
not UTF7-IMAP.

The 'smtphost' and 'smtpport' options have been removed. They have been
replaced by the 'smtp' option, which allows ALL available SMTP configuration
options to be overriden.

The 'admin' option has been changed: optional configuration parameters should
live within the base 'admin' array rather than a 'params' array within the
base.


Configuration Options (imp/config/conf.php)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

The $conf['fixed_folders'] option now requires the mailboxes to be in the
UTF-8 charset, not UTF7-IMAP.

The $conf['compose']['link_attach_size_limit'] option was added.

The $conf['print']['add_printedby'] option was removed and replaced by the
'add_printedby' preference.

The $conf['user']['select_sentmail_folder'] option was removed. To prevent
changing the sentmail mailbox, the 'sent_mail_folder' preference should be
locked instead.

The following configuration options were removed::

   $conf['dimp']['viewport']['buffer_pages']
   $conf['dimp']['viewport']['viewport_wait']


MIME Viewer Options (imp/config/mime_drivers.php)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

The 'safe_addrs' option has been removed from the Images driver config.
To set the default list of e-mail addresses that should be considered "safe",
the 'image_replacement_addrs' preference can now be used.


Hooks (imp/config/hooks.php)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~

The 'mbox_sort' and 'mbox_special' hooks have been added.

The 'dimp_addressformatting' hook has been removed.

The $action parameter for reporting not spam message to the 'spam_email' and
'post_spam' hooks has been changed from 'ham' to 'innocent'.


Preferences (imp/config/prefs.php)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

The default values for these preferences have been changed::

   drafts_folder
   sent_mail_folder
   spam_folder
   trash_folder

The following preferences are no longer used and may be safely removed from
your preference backend (only after all users have logged in - these
preferences MAY be used to automatically upgrade to new preferences when
a user logs into Horde Groupware Webmail Edition 5 for the first time)::

   dimp_qsearch_field
   dimp_show_preview
   dimp_splitbar
   dimp_splitbar_vert
   dimp_toggle_headers
   dynamic_view
   image_addrbook
   move_ham_after_report
   sig_first
   stationery

The 'cursor_compose' preference removed the 'sig' option. Existing preferences
will automatically be converted to 'bottom'.

The 'save_attachments' preference removed the 'prompt_yes' and 'prompt_no'
options. Existing preferences will automatically be converted.

The 'add_printedby', 'image_replacement_addrs', 'reply_charset', and
'reply_strip_sig' preferences were added.

The 'forward_default' preference now contains the 'editasnew' option.


API Changes
~~~~~~~~~~~

  - copyMessages

    The $mailbox and $target parameters are now required to be UTF-8 strings.

  - createFolder

    This call has been removed (replaced with 'createMailbox').

  - deleteMessages

    The $mailbox parameter is now required to be a UTF-8 string.

  - flagMessages

    The $mailbox parameter is now required to be a UTF-8 string.

  - folderlist

    This call has been removed (replaced with 'mailboxList').

  - moveMessages

    The $mailbox and $target parameters are now required to be UTF-8 strings.

  - searchMailbox

    The $mailbox parameter is now required to be a UTF-8 string.


--------------
Filters Module
--------------


Backend Configuration (ingo/config/backends.php)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

The 'hordeauth' parameter and the 'password' and 'username' parameters have
been removed. By default, the transport backend will use Horde Groupware
Webmail Edition authentication credentials to access. To set a different
username and/or password, you should use the 'transport_auth' hook.


-------------------
Address Book Module
-------------------


Attributes
~~~~~~~~~~

  - The "gender" attribute sets values of (literally) "male" or "female" now,
    and no longer 0 or 1.


Preferences (turba/config/prefs.php)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

  - The "addressbooks" preference has been removed.


API Changes
~~~~~~~~~~~

  - search

    The $sources, $fields, $matchBegin, $forceSource and $returnFields
    parameters have been removed and replaced by the $opts parameter.

    Added a 'rfc822Return' option to return a Horde_Mail_Rfc822_List object
    instead of the search results array (which remains the default).


Upgrading Horde Groupware Webmail Edition from 4.0.x to 4.0.9
=============================================================


-----------
Mail Module
-----------


Configuration Options (imp/config/conf.php)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

The $conf['spam']['email_format'] and $conf['notspam']['email_format']
configuration options have been added.


Upgrading Horde Groupware Webmail Edition from 4.0.x to 4.0.7
=============================================================


-----------
Mail Module
-----------


Preferences (imp/config/prefs.php)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

The 'delhide_trash' preference has been added.


Upgrading Horde Groupware Webmail Edition from 4.0.x to 4.0.4
=============================================================


-----------
Base Module
-----------


Weather portal block
~~~~~~~~~~~~~~~~~~~~

The weather.com website has dropped their API to retrieve weather forecasts
with a very short notice. The weather.com portal block has been removed and
will be automatically removed from the users' portal configurations too.

A new portal block for weather forecasts is available, powered by the new
Horde_Service_Weather library that supports a number of free weather
services. To provide this block to the end users, install the
Horde_Service_Weather library from Horde's PEAR server, and configure a weather
service in Horde Groupware's configuration::

   pear install horde/horde_service_weather-alpha


Configuration changes
~~~~~~~~~~~~~~~~~~~~~

The 'nobase64_img' option was added.


-----------
Mail Module
-----------


Preferences (imp/config/prefs.php)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

The 'delete_mark_seen' preference has been added.

The 'reply_lang' preference has been added.


Upgrading Horde Groupware Webmail Edition from 4.0.x to 4.0.3
=============================================================


-----------
Mail Module
-----------


MIME Viewer Options (imp/config/mime_drivers.php)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

The 'allthumbs' option has been removed from the HTML driver.  Image thumbnail
previews are now always shown if an image conversion utility is present on the
system.


Configuration Options (imp/config/conf.php)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

The 'allow_resume_all' option has been removed.  Only messages specifically
marked as drafts can be resumed; however, all messages are given the option
to "Edit As New".


Upgrading a Horde Groupware Webmail Edition 1.x
===============================================

For upgrading from a Horde Groupware Webmail Edition version 1.x to
4.0 or later, see the section `Upgrading any Horde Groupware Webmail
Edition 4 or later`_.

The update script will automatically migrate database backends and
update configuration files. It will add new and changed configurations
at the end of existing configuration files, any changes done to old
configuration files won't get lost, but might get overridden by new
settings. You might want to check the updated configuration files
after the update script has finished to make sure that any
customizations that you did to the old version still work as expected.

The ``.dist`` versions of the configuration files alway contain the most
recent reference settings and the settings documentation. If you experience
any problems with the configuration files after an update, or if you want
cleaner configuration files without all the updating code, you can create
fresh versions from the ``.dist`` files.

These instructions are supposed to be used with a complete tarball of the new
Horde Groupware Webmail Edition version. They don't work if you use a patch
file to upgrade your installation, because the patch already contains all
configuration file changes that the update script is going to add.

1. Extract the tarball of the new version **in parallel** to the old
   version. See the INSTALL_ file details how to unpack a tarball.

   If you want to replace the old version with the new version eventually, you
   should move the old version to a different place now and put the new
   version in the place of the old one. You can still do this later, if you
   want to, but you have to edit the configuration file then.

2. Start the setup script::

     ./scripts/setup.php

3. Choose the update option in the setup menu and answer the questions from
   the setup script.

4. Pray.

5. If everything went fine and without any error messages, point your browser
   to the URL of the new version and log in as an administrator. Go to the
   ``Administration -> Setup`` screen and update all configurations that are
   marked as being outdated.

6. If you want to replace the old version with the new one, and if you didn't
   do this already in step 1, you can do it now. But you have to edit the
   configuration file ``config/conf.php`` manually and change the setting
   ``$conf['cookie']['path']`` to match the new URL path. Otherwise you won't
   be able to login after you moved Horde Groupware Webmail Edition to a
   different directory.


.. _INSTALL: INSTALL