So, I'm getting thrown out to authorisation window every other minute when working with e-mail via web-interface.
After clicking on "Times and Fares" at nationalexpress.co.uk here is what I get:
Here is my cookies settings:
echo $TMOUT displays "0" (if relevant).
I'm using Firefox 18.104.22.168 / Mandriva 2007 (2.6.17-5mdv)
On Windows XP with Firefox 22.214.171.124 there is no problem.