On Mon, 21 Mar 2011 10:34:29 -0700, Jameson Rollins <jrollins@finestructure.net> wrote: > It's going to take a lot more digging before I can identify what is > common about these messages and different from all the messages that are > not returned. One guess: do those messages happen to have "folder:sent" in the body? If so, that might point to the possibility that the python bindings are using a different libnotmuch. Perhaps they have a different search path (and maybe there's a debian installed library around that they're finding?).