webmail [urgent help required)

[arazas]

When we login and try to compose email or do any thing in webmail, we get following error:

"Please log in again to resume composing your message. If you are NOT using cookies AND you are composing messages in popup windows, you will have to log in again in your main window as well. This is to keep attackers from hijacking your session ID. We apologize for any inconvenience."



We are using webmail (horde), please help