Then again, it could be that someone tried to post something and it just didn't work. The suspicious thing is the same post/attachment showed up on the bandsaw group too at about the same time.
------------------------------------
Yahoo! Groups Links
<*> To visit your group on the web, go to:
http://groups.yahoo.com/group/GrizHFMinimill/
<*> Your email settings:
Individual Email | Traditional
<*> To change settings online go to:
http://groups.yahoo.com/group/GrizHFMinimill/join
(Yahoo! ID required)
<*> To change settings via email:
GrizHFMinimill-digest@yahoogroups.com
GrizHFMinimill-fullfeatured@yahoogroups.com
<*> To unsubscribe from this group, send an email to:
GrizHFMinimill-unsubscribe@yahoogroups.com
<*> Your use of Yahoo! Groups is subject to:
http://docs.yahoo.com/info/terms/