Server Requirements

• Apache or Lighttpd (>=1.4.13 for ssl) Webserver
• .htaccess support allowing overrides for DirectoryIndex if using Apache
• PHP Version 5.2.1 or greater with
  • PCRE (Perl compatible Regular Expression)
  • Session support
  • Sockets enabled
  • Libiconv (recommended)
  • OpenSSL (recommended)
  • Mbstring (optional)
  • FileInfo (optional)
  • Mcrypt (optional)
• php.ini options:
  • error_reporting E_ALL & ~E_NOTICE (or lower)
  • file_uploads on (for attachment upload features)
  • memory_limit (increase as suitable to support large attachments)
  • session.auto_start needs to be off
  • magic_quotes_gpc off
• MySQL or PostgreSQL database engine or the SQLite Extension for PHP
  • If using MySQL 5.0.2 or later, disable STRICT_TRANS_TABLES and STRICT_ALL_TABLES
• One of the above databases with permission to create tables
• OpenSSL and Socket modules for PHP required to connect to IMAPS, for secure SMTP and to use the spell checker
  • Additionally, the CURL module for PHP is required for spell checking with TinyMCE (HTML WYSIWYG Editor).
• An IMAP server which supports IMAP 4 rev 1
• An SMTP server (recommended) or PHP configured for mail delivery

Browser Requirements

• Javascript enabled
• Accept cookies
• Support for XMLHttpRequest
• CSS2 Support

Tested browsers

• Internet Explorer 6 (Windows 2000 and Windows XP)
• Interner Explorer 7 (Windows XP)
• Safari 2 (Mac OS X 10.4 )
• Safari 3 (Mac OS X 10.5 and Windows XP)
• Firefox 2 (Windows XP, Mac OS X and Linux)
• Firefox 3 (Windows XP and Linux)

Browsers reported to work

• Camino 1.5.x (Mac OS X 10.4.x)
• Opera 9.25 (Windows Server 2003, Windows XP, FreeBSD 6.3)
• Opera 9.30 (Wii, TinyMCE is non-functional)
• Opera 9.60 beta1 (Windows XP)