> You have session.use_cookies Off
> http://php.net/session.configuration#ini.session.use-cookies >
> SquirrelMail does not work without cookies without making massive changes in SquirrelMail code.
> Instead of upping memory limit to 512M get APC extension and make sure that server side sorting enabled in your setup, if IMAP
> server supports it. I suspect that you have php-pecl-apc rpm in your RHEL DVD.