Insecure Form Mail

Open Proxy Server

Open Relay

Reverse DNS Enabled

Unsubscribe Provisions

Bonded Sender

Habeas Warrant

Trusted Sender

60+ Real Time Black Lists
|
1500+ Content Rules

Bayesian/ Adaptive Learning Filters

Community/ Collaborative Filters

Heuristics-based Filters

Key Word Matching

Signature Based / Fuzzy Logic filters
|
Brightmail AntiSpam

Cloudmark Spamnet

McAffee Spamkiller

Message Labs Skyscan

ORDB

Osirusoft

Razor

Spam Assassin

Spam Catcher

Spam Cop

+ over 30 others
|
Typically Used
at Gateway or Server Level:

Black Lists

Sender Certification

Sender Identification

Spam Traps

Typically used at Desktop:

Bayesian Filter

Collaborative Filtering

Heuristic Filter

Key Word Matching
|