OpenSMTPD filter integration for SenderScore reputation


This filter performs a SenderScore lookup and allows OpenSMTPD to either block or slow down a session based on the reputation of the source IP address.

The filter currently supports:
 * blocking hosts with reputation below a certain value
 * adding an X-SenderScore header with the score of the source IP address
 * adding an X-Spam header to hosts with reputation below a certain value
 * applying a time penalty proportional to the IP reputation
 * whitelisting IP addresses or subnets

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Install this software package

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Install opensmtpd-filter-senderscore