In vb options >> user banning options add these email addresses to the list and that should cut out a few of the spammers
@mail.ru
phentermine_drug@msn.com
xxxfamoustoonshentai.com
freepizzamail.org
ukr.net
fromru.com
ass.com
web.de
rai.com.ua
inbox.lv
COGECO.COM
logic.bm
gala.net
ipod-apple.org
wallstjobs.com
mail15.com
stormloader.com
0gift.org
mail.bg
infect@gmail.com
russianbridesportal.net
anyboard.net
thepersonalshareware.com
usatodays.us
putoncondoms.com
tramadol@msn.com
@dolkern.com
@finance-here.biz
@mail333.com
@filki.com
phentermine@msn.com
@bigfatsearch.biz
@iqsearch.org
@bluevendor.com
@takemedsnow.net
@5crafts.com
@experthyips.com
@getamusic.com
@fountainpharm.com
@toonbeast.com
@plomerz.com
@advertads.com
@bestcdma.net
pharmacy@mail.com
@sibmail.com
@kisenfad.com
@i.ua
@alertonline.info
@casino-poker-web.com
@comuyt.net
cheap_viagra@msn.com
.ru
@hotpop.com
@advertfast.com
@giza.cc
@ua.fm
@freestuffo2.com
@burnacouplemore.com
.info
@1dating.biz
@thecannabishunter.com
@cvg8hette.com
@gyirbg.to
@cashette.com
@pisem.net
@users.1go.dk
@pu-blocker.com
@gawab.com
@++++shemale.net <<<< rhymes with luck
@freenet.de
@pharmahj.pl