On my server, it was being instead by spamassassin and was then visible in each message handled by Mailman. The “content-preview” in the header is easily removed in /etc/mail/spamassassin/local.cf.
Matthew On May 14, 2014, at 02:52 AM, Stephen J. Turnbull <step...@xemacs.org> wrote: > Hi all, > > I just discovered that the spam-checker for a non-Mailman list I > subscribe to (I suspect SpamAssassin but I can't confirm yet, the MLM > is ListServ) is introducing 8-bit characters into the header. > > What appears to be happening is that the original post uses a > Content-Transfer-Encoding of 8bit or binary, and contains some 8-bit > octets (typically fancy quotes and the occasional accented character > in the posts I receive), and the spam checker copies an excerpt from > the body into the "X-Spam-Report" field *verbatim*, including the > non-ASCII characters. > > If your spam-checker doesn't produce an "X-Spam-Report" field or > similar, you don't have the problem. If it does, you might want to > check its behavior with respect to body excerpts. > > Regards, > Steve > > ------------------------------------------------------ > Mailman-Users mailing list Mailman-Users@python.org > https://mail.python.org/mailman/listinfo/mailman-users > Mailman FAQ: http://wiki.list.org/x/AgA3 > Security Policy: http://wiki.list.org/x/QIA9 > Searchable Archives: http://www.mail-archive.com/mailman-users%40python.org/ > Unsubscribe: > https://mail.python.org/mailman/options/mailman-users/mneedham%40hdfgroup.org -- Matthew Needham mneed...@hdfgroup.org 217-531-6110 The HDF Group 1800 South Oak Street, Suite 203 Champaign, IL 61820 ------------------------------------------------------ Mailman-Users mailing list Mailman-Users@python.org https://mail.python.org/mailman/listinfo/mailman-users Mailman FAQ: http://wiki.list.org/x/AgA3 Security Policy: http://wiki.list.org/x/QIA9 Searchable Archives: http://www.mail-archive.com/mailman-users%40python.org/ Unsubscribe: https://mail.python.org/mailman/options/mailman-users/archive%40jab.org