In the meanwhile I have sorted out that the problem is related to a GMail account. I have two GMail accounts, with one of them I can use send and receive over IMAP, the other one only receives. To try to send something results in the attached error.
** Attachment added: "evolution-error.png" http://launchpadlibrarian.net/10587894/evolution-error.png -- [Gutsy] IMAP Ping error https://bugs.launchpad.net/bugs/160704 You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is a bug assignee. -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs