Downloaded yahoogroups_files.pl from http://grabyahoogroup.sourceforge.net . It’s a Yahoo Group archiver
and perfect for my needs, although I needed to tweak the Perl script a
little as Yahoo changed their format.
Abe Pazos Incredible! Polvorones must be something very old, because it's a typical Chrismas food in Spain. In fact... I had to go to http://en.wikipedia.org/wiki/Polvor%C3%B3n and find... – Making polvoron