Just wondering if I had misunderstood something here.
Using webmail (and no, I'm not going to use a client on every occasion ) when I sign out of my account that should be it, irrespective if I have previously ticked "Keep me signed in". Manually signing out should over-ride any other settings.
I was quite surprised to see that having signed out of my account on a PC, and closed the browser, next time I went to open the browser on the same PC, and clicked on the E-mail link on BT.com, I didn't go to the log-in page, which I expected, but was taken straight to my own logged in e-mail page. This doesn't seem right to me, and very insecure.
This is using the latest edition of Firefox, with it set to delete history on exit.
Has anyone else seen this strange behaviour, or am I just being daft?
Is Firefox saving your password? Check at Menu (3 lines, top right) > Options > Security > Saved Passwords.
When I saw your first post I tried to replicate it. All was as you would expect with the login page that I usually use for email, but when I clicked MyBT at the top of this page and entered my BT ID, the password appeared automatically (albeit as dots) and I could access email without having entered the password manually. This persisted even if I logged out of MyBT. I found that the password was stored in Firefox and deleting it there has overcome the issue.