I was given this list and have made a few additions. Almost no spam since blocking these except for the occasional set of about three in a row, which is apparently how they defeat the blocking. They bombard the server and a few don't get caught.
.rocks
.xyz
.bar
.mk
.xxx
.web
.ru
.si
.vu
.info
.ml
.space
tmall.com
.br
.asia
.us
.in
.hk
.il
.pt
.vn
.fi
.no
.fr
.ar
.ph
.jp
.au
.pl
.kr
.biz
.club
.co
.hu
.fo
.be
.tk
.nu
.me
.ai
.xn
.de
.eu
.ni
.cc
.es
.pw
.ru
.ch
.cn
.tr
.it
.uk
.mobi
.work
aol.com
hotmail.com
.me
.ee
.lv
.cz
.faith
.za
.review
.help
.uno
.ae
.nl
.cl
eku.edu
corban.edu
apmex.com
keen.com
tradingnrg.com
sbcglobal.net
entirelypets.com
sex.com
cat5.com
facebookmail.com
.bid
gallaudet.edu
nvidia.com
