I believe this is a thunderbird issue. It happens in my non-spambayes installation that uses AVG antivirus. The "virus free" notification gets added as an attachment rather than inline, as well. I don't think there's anything that spambayes can do to alter this behavior.
Amedee Van Gasse wrote: >Hello, > >Very often I see the standard mailman signature as an attachment called >Part 1.2; and not inline. This is annoying because that way it is >confusing to see which emails really have attachments. > >Who/what causes this problem? >* The person who originally sent the email? >* The mailman software used by the spambayes mailing list? >* My mail setup? (postfix --> procmail --> dovecot --> thunderbird) > > > _______________________________________________ SpamBayes@python.org http://mail.python.org/mailman/listinfo/spambayes Check the FAQ before asking: http://spambayes.sf.net/faq.html