added note about 1.2.x needing register_globals on
[squirrelmail.git] / INSTALL
d68a3926 1Installing SquirrelMail
3b3d853f 4Table of Contents:
5 1. (PHP4) Configure your webserver to work with PHP4
6 2. (IMAP) Setting up IMAP (not covered)
7 3. (INSTALL) Obtaining and installing SquirrelMail
8 4. (RUN) Running SquirrelMail
9 5. (CHARSETS) Russian Charsets
f8f9bed9 16
17cec454 17 If your webserver does not already have PHP4 you must configure it
18 to work with PHP4. SquirrelMail uses the standard suffix .php for
19 all PHP4 files. This is a quick and dirty guide to installing PHP4
20 to run as CGI under Apache. How you end up doing this is up to you
21 (your mileage may vary).
9b57e848 22
eb0a8c50 23 NOTE: The new plugin architecture required the use of some functions
24 which are not in all versions of PHP4. You will need at least
25 PHP4 beta2. If you need to upgrade please go ahead and install the
26 latest release version of PHP4.
17cec454 28a. Obtaining and compiling PHP4
f8f9bed9 29
17cec454 30 Point your favorite webserver at and
31 download the source. Untar (tar xvfz filename-you-downloaded.tgz)
32 the source, cd into the directory and run configure. To make PHP4
33 work with SquirrelMail a commandline like this should do:
f8f9bed9 34
17cec454 35 ./configure --enable-track-vars --enable-force-cgi-redirect --with-gettext
f8ba9180 36
17cec454 37 If you have a database like MySQL you might want to add something
38 like --with-mysql to get database functionality.
45c0a3a3 40 If you're going to use LDAP in the addressbook, you must compile PHP4
41 with --with-ldap (see the PHP4 docs for more information).
17cec454 43 Run make to build the binary file. This will generate a binary file
44 called "php". Move this file into a CGI-directory.
46 You might also want to read the INSTALL file in the PHP-distribution
47 :-)
2a32fc83 49b. Changing php.ini
51 PHP defaults to look for php.ini (PHP's configuration file) in
52 /usr/local/lib. However, for security reasons, it is suggested
53 that the location of this file is changed to someplace else. This
54 can be done at configure time with the configuration directive
55 --with-config-file-path=PATH.
a167feaf 57 Edit the php.ini file and make sure session.use_cookies is 1. Also
58 be sure to change the session.save_path to someplace that can only
59 be read and written to by the webserver. session.save_path is the
2a32fc83 60 location that PHP's session data will be written to.
3a904e34 61
62 Squirrelmail 1.2.x also requires register_globals to be enabled.
2a32fc83 63
a167feaf 64 SECURITY WARNING - If a user has access to write PHP scripts on your
65 system and knows the location where PHP stores session data, he
66 could get a listing of the sessions being used and then read a given
67 session's data with his own PHP script. Caution should be used when
68 setting up permissions and locations of php.ini and the session data.
2a32fc83 69
70c. Setting up .php files to use PHP4
17cec454 71
72 You need to create a .htaccess file in you SquirrelMail directory
73 that looks something like this:
75 AddType application/php4script .php
76 Action application/php4script /cgi-bin/php
78 You could also add these lines to your Apache configuration file.
2a32fc83 80d. Running into trouble
17cec454 81
82 Setting up Apache with PHP4 can be a non-trivial task. Read the PHP4
83 and Apache documentation carefully if you run into trouble. If you
84 have an experienced system administrator around ask her/him to help
85 you.
90 This is not covered here :-/
95 SquirrelMail is still under development. Therefore you should always
96 get the newest version around. Look at
429f8906 97 to see what it
17cec454 98 is. If you want to be bleeding edge you might want to consider using
99 the latest CVS version (with the latest and most fashionable of
100 bugs).
102a. Download SquirrelMail
104 Get SquirrelMail from the address above if you do not have it or are
105 uncertain if you have the newest version. Untar (again tar xvfz
106 filename.tgz) SquirrelMail in a directory that is readable for your
107 webserver.
109b. Setting up directories
111 SquirrelMail uses two directories to store user configuration and
112 attachments that are about to be sent. You might want to have these
113 directories outside of your web tree.
115 The data directory is used for storing user preferences, like
116 signature, name and theme. When unpacking the sources this directory
b731cd83 117 is created as data/ in your SquirrelMail directory. This directory
17cec454 118 must be writable by the webserver. If your webserver is running as
b731cd83 119 the user "nobody" you can fix this by running:
65b14f90 120
390372b4 121 $ chown -R nobody data
122 $ chgrp -R nobody data
4bc627ae 123
124 Keep in mind that with different installations, the web server could
ff65039a 125 typically run as userid/groupid of nobody/nobody, nobody/nogroup,
126 apache/apache or www-data/www-data. The best way to find out is to read
127 the web server's configuration file.
4bc627ae 128
17cec454 129 There also needs to be a directory where attachments are stored
130 before they are sent. Since personal mail is stored in this
131 directory you might want to be a bit careful about how you set it
132 up. It should be owned by another user than the webserver is running
133 as (root might be a good choice) and the webserver should have write
134 and execute permissions on the directory, but should not have read
135 permissions. You could do this by running these commands (still
136 granted that the webserver is running as nobody/nobody)
390372b4 138 $ cd /var/some/place
139 $ mkdir SomeDirectory
140 $ chgrp -R nobody SomeDirectory
141 $ chmod 730 SomeDirectory
17cec454 142
143 If you trust all the users on you system not to read mail they are
144 not supposed to read change the last line to chmod 777 SomeDirectory
390372b4 145 or simply use /tmp as you attachments directory.
4bc627ae 147 If a user is aborting a mail but has uploaded some attachments to it
390372b4 148 the files will be lying around in this directory forever if you do not
149 remove them. To fix this, it is recommended to create a cron job that
150 deletes everything in the attachment directory. Something similar
4bc627ae 151 to the following will be good enough:
390372b4 152
153 $ cd /var/attach/directory
154 $ rm -f *
4bc627ae 155
156 However, this will delete attachments that are currently in use by people
157 sending email when the cron job runs. You can either (1) make sure that
158 the cron job runs at an obscure hour and hope that nobody gets upset, or
159 (2) you can run a modified version of the commands above. Check out the
160 man pages for other commands such as 'find' or 'tmpreaper'.
162 One sample script you could set up that would erase all attachments, but
163 wouldn't erase preferences, address books, or the like (just in case your
164 attachment directory is the same as your data directory) might look like
165 this:
167 $ rm `find /var/attach/directory -atime +2 | grep -v "\." | grep -v _`
169 Remember to be careful with whatever method you do use, and to test out
170 the command before it potentially wipes out everyone's preferences.
17cec454 171
172c. Setting up SquirrelMail
be8e07f8 174 There are two ways to configure Squirrelmail. In the config/ directory,
175 there is a perl script called that will aid you in the
390372b4 176 configuration process. This is the recommended way of handling
be8e07f8 177 the config.
390372b4 179 You can also copy the config/config_default.php file to config/config.php
be8e07f8 180 and edit that manually.
65b14f90 181
65b14f90 184
429f8906 185 Point your browser at the URL at which SquirrelMail is installed. A
186 possible example of this is:
3d8fe250 189 It should be pretty straight forward to use. Some more documentation
429f8906 190 might show up one day or another.
8c086db6 191
196 For information on how to make SquirrelMail work with Russian
197 Apache, see the README.russian_apache in the doc/ subdirectory.