The matrix below compares our SpamRejector™ service to the other typical anti-spam configurations (and some representative products).

	Runs on Your Server	Runs on Your Client Machines	Runs on External Service Provider Equipment	Runs on Separate Server You Purchase and Maintain	Runs on Separate Server Offered as a Service
	e.g. Norton	e.g. SpamKiller	e.g. MailWatch	e.g. TrendMicro
Protects your mail server
No up-front costs
Supports any combination of centralized administration and individual user control
Enables individual users to create rules for their mail only
Does heuristic Bayesian analysis based on human feedback
Automatically tunes itself based on the preference of individual users
Uses hold-mismatch technology
Uses one-shot technology
Improves the performance of busy mail servers
Can be administered via Web access from anywhere
No conflict with software and OS upgrades to servers and client machines
Does custom mail processing, if needed (copying, redirecting)

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