I just figured out that if you clic on Thunderbird icon in messaging- menu (and not on the notification) everything is OK : Thunderbird pops up.
-- You received this bug notification because you are a member of Unity API bugs, which is subscribed to Messaging Menu. https://bugs.launchpad.net/bugs/1173607 Title: clicking on the mailboxcounter for a mailbox in Thunderbird doesn't open window Status in The Messaging Menu: Confirmed Bug description: Ubuntu 13.04 if there are new messages in Thunderbird, they are shown in the indicator with the corresponding mailbox(folder) but if clicking on that mailbox in indicator nothing happens, but it should take me to the mailbox with the new mail and select the first new unread mail. To manage notifications about this bug go to: https://bugs.launchpad.net/indicator-messages/+bug/1173607/+subscriptions -- Mailing list: https://launchpad.net/~unity-api-bugs Post to : [email protected] Unsubscribe : https://launchpad.net/~unity-api-bugs More help : https://help.launchpad.net/ListHelp

