[Evolution] Bogofilter - something's not right

[Reid Vail <rsv869 runbox com>]

Hi Evolution team -

I'm running Evoltuion 3.42.3 on a current release of Manjaro and have
installed evolution-bogofilter 3.42.3-1.  As far as I know everything
is activate; I've selected "check incoming messages for junk".  There
is no option to select a Bogofilter plugin.

The problem is that even though I select messages a spam they continue
to arrive and land in my inbox.  Maybe I missed something.

Advice welcome.

Reid