Spam filter top paying keywords

barracuda spam filter 52.90 US$
barracuda spam filtering 39.63 US$
microsoft exchange server spam filter 35.43 US$
spam filter for microsoft exchange 34.66 US$
spam firewall 33.31 US$
spam filter for exchange server 29.82 US$
hardware spam filter 28.76 US$
antispam appliance 23.69 US$
spam appliance 23.27 US$
exchange spam blocker 22.54 US$
microsoft exchange server spam 22.38 US$
spam filter microsoft exchange 22.25 US$
exchange server spam software 22.11 US$
anti spam for exchange server 21.95 US$
spam filter for exchange 5.5 21.90 US$
sms spam filter 21.55 US$
spam filtering appliance 21.20 US$
exchange server spam filtering 20.90 US$
anti spam appliance 20.72 US$
spam software for exchange 20.65 US$
anti spam solutions 19.81 US$
spam filtering for exchange 19.76 US$
spam filters for exchange 19.58 US$
spam filter for exchange 19.37 US$
exchange server spam filter 19.35 US$
spam bully 19.17 US$
spam filter for exchange 2003 18.90 US$
spam filter appliance 17.99 US$
anti spam software exchange 17.83 US$
exchange 2003 spam filtering 17.49 US$
anti spam services 17.32 US$
notes spam filter 17.31 US$
exchange 2000 spam filter 17.27 US$
spam filter rules 17.04 US$
lotus notes spam filter 16.99 US$
lotus spam filter 16.88 US$
exchange spam filtering 16.77 US$
antispam server 16.74 US$
network anti spam 16.69 US$
comcast spam filter 16.60 US$
spam filter firewall 16.49 US$
hosted spam filtering 16.37 US$
anti spam for exchange 16.37 US$
anti server software spam 16.25 US$