Cisco Cisco Email Security Appliance C190 Betriebsanweisung

SenderBase affiliates send real-time, global data

Sending MTA opens connection with the Cisco IronPort appliance

Cisco IronPort appliance checks global data for the connecting IP address

SenderBase Reputation Service calculates the probability this message is spam 
and assigns a SenderBase Reputations Score

Cisco IronPort returns the response based on the SenderBase Reputation Score

Sending MTA

SBRS Scoring Engine

•Global complaint data

•Global volume data

SenderBase Affiliate Network

1

5

3

4

2

1.2.3.4

HELO

1.2.3.4

Rule hits 

SBRS = 

250-Recipient Accepted

or 

452-Too many recipients this hour

or 

554-Access Denied

for 

1.2.3.4

IronPort appliance