SpamAssassin Rule: RCVD_IN_SORBS_SMTP

Standard description: SORBS: sender is open SMTP relay

Explanation

This check tests the IP address of the last untrusted relay against the DNSBL maintained by SORBS.

ref

A listing indicates that email may be sent through a SMTP proxy by an unauthorized and unauthenticated user.

Further Info

The default scores for this rule can be found in the online list of tests.


CategoryRule