This is a list of addresses that seem to be sending a lot of spam to the Rails mailing list.  Hope this helps in setting up your filters!

rania.desai@gmail.com
moona.naeem@gmail.com
sarah.singh9000@gmail.com
sheetal.sinha1@gmail.com
tania.rajpot@gmail.com
maria.gil2@gmail.com
koom2020@gmail.com
chozzhan@gmail.com
desigac@gmail.com
a.kaur11@gmail.com
elizibet.gill@gmail.com
myreplicasupplier@yahoo.com
smartnobia@gmail.com
lapadat@gmail.com
gazarche84@yahoo.com
coolguy17111987@gmail.com
ecastroph@gmail.com
fridy@126.com
imtiaz459ali@gmail.com
zo0oma.blackhole@gmail.com
wassup6930@yahoo.com
aveplanet.info@gmail.com
info@new-bar.com
travolta001@gmail.com
sixfigureincome888@gmail.com
knjaz0@gmail.com
cetiri@gmail.com
maria.gil2@gmail.com