batv-filter | Mail Filter (milter) for BATV signing/verification | Mehr ...
Bounce Address Tag Validation (BATV) is the name of a method, defined in Proposed Internet Draft, for determining whether the bounce address specified in an E-mail message is valid. . It is designed to reject backscatter, that is, bounce messages to forged return addresses. . The batv-filter implements both BATV signing and verification.