On Mon, 20 Jun 2011 17:52:03 +0200, Sebastien Binet <seb.binet@gmail.com> wrote: > it is only when the signature is lumped like below, that I get the error: > [ 4-line signature. Click/Enter to show. ] > > also, it's only happening to the last message of a thread. Ah, ok. Have you tried looking at the raw message? Are there any strange characters or content after the signatures? > > If you feel comfortable doing so, it might help to forward the suspect > > message to the list. > > I tried all the above, to no avail (ie: nothing on stderr.) You didn't try forwarding the email to the list ;) jamie.