User-Agent: Mozilla/5.0 (X11; U; Linux i686; fr; rv:1.9.1.5) Gecko/20091109 Ubuntu/9.10 (karmic) Firefox/3.5 Build Identifier: We are accessing intranet through a proxy with a password... On linux the proxy password is never stored and it is re-asked each time a web content is accessed... Reproducible: Always Expected Results: the proxy password should be stored (the user should be asked if he want to store the password) Regression from thunderbird 2...

Anything in Tools -> Error console that migth relate to that ?

Erreur : LoginManagerPrompter: Epic fail in promptAuth: TypeError: aNotifyBox.getNotificationWithValue is not a function Fichier Source : file:///home/hfongarnand/Programmes/thunderbird/components/nsLoginManagerPrompter.js Ligne : 495

another problem... is that normal that thunderbird always try to use the HTTP proxy for POP,IMAP,NNTP protocol... that's a very bad idea! since a HTTP proxy cannot proxies these protocols!!!!

I can confirm this bug under windows xp: Error: LoginManagerPrompter: Epic fail in promptAuth: TypeError: aNotifyBox.getNotificationWithValue is not a function Source File: file:///C:/Programme/Mozilla%20Thunderbird%203/components/nsLoginManagerPrompter.js Line: 495