diff --git a/INSTALL b/INSTALL
index 8f483f06a..2a68dc8d6 100644
--- a/INSTALL
+++ b/INSTALL
@@ -18,9 +18,12 @@ REQUIREMENTS
    - mbstring (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/0
+   - file_uploads enabled (for attachment upload features)
+   - session.auto_start disabled
+   - magic_quotes_gpc disabled
+   - magic_quotes_sybase disabled
+   - zend.ze1_compatibility_mode disabled
 * PHP compiled with OpenSSL to connect to IMAPS and to use the spell checker
 * A MySQL or PostgreSQL database engine or the SQLite extension for PHP
 * One of the above databases with permission to create tables