Change the ownership of squirrelmail directory Mv /usr/src/squirrelmail-1.4.22 /usr/local/squirrelmail/www 3. Unpack the squirrelmail package cd /usr/src The latest stable version when I am writing this article is 1.4.22. You can get the latest squirrelmail package from. Now, we can go through the installation of squirrelmail. When it is enabled, incompatibilities with some functionality may arise. safe_mode on or off - Turning safe mode on in squirrelmail's case is not much more secure than having it off.file_uploads on - This is needed if your users want to attach files to their emails.magic_quotes_ off - Squirrelmail may work with any of these turned on, but if you experience stray backslashes in your mail or other strange behaviour, it may be advisable to turn them off.register_globals off - This is a dangerous setting when enabled, and is not generally needed for most recent PHP applications.One of the most useful is config/, which will help you configure your squirrelmail installation.ДЇirst two are the mandatory requirements for squirrelmail.В Following PHP settings are recommended for Squirrelmail. SquirrelMail is shipped with some Perl scripts.The PHP XML extension is required if the DIGEST-MD5 authentication is used.Without the PHP mbstring extension the interface will remain usable, but some internationalization features and fixes won't be enabled. The PHP mbstring extension is required for translations that uses multibytes or character sets but ISO-8859-1.PHP gettext extension for better performance.Access to an IMAP server which supports IMAP 4 rev 1.PHP 4, PHP 5 and PHP 6 are all supported. In this tutorial, I imagine you have a Linux server with Apache/PHP web server support, exim mail server (SMTP) and an IMAP server (UW IMAP in our case). It comes with a large number of plugins which you can add to your squirrelmail installation according to the required features. It includes built-in pure PHP support for the IMAP and SMTP protocols and all pages render in pure HTML 4.0 (with no JavaScript required) for maximum compatibility across browsers. Squirrelmail is a standards based webmail package which allows the users to access their mails through web browser instead of any mail clients.

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