The STAT command did not succeed. Error getting message number and
sizes. Mail server localhost responded: negative vibes from ----
Thunderbird 17.0.8
Webmail 1.5.2b2
Webmail Hotmail 1.4.0b2
Well, it seems to be that time again... On logging in via browser, hotmail, live, whatever you want to call it nowadays, asked me for additional security. Seems like Thunderbird hadn't received any mail since Tuesday, so that's probably when it was implemented.