Having similar issues. Was working fine for a long time and recently started, hanging(cpu 100%), crashing and throwing the error in this bug.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/670993 Title: WARNING: ERROR in syncfolder for [imapfoldername] folder [imapfolder] : Error from select: ('NO', ['System error (Failure)']) -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs