X-RBL-Check: <rblid>
lines in the header of the message for every (whitespace separated) rblid found in the RBLID environment variable.
this modification has also been incorporated in qmail-ldap thanks to Henning Brauer. For more information see the qmail-ldap documentation.
example:
RBLID="MAPS-RSS MAPS-DUL ORBS"
would result in the following lines inserted in the header:
X-RBL-Check: MAPS-RSS
X-RBL-Check: MAPS-DUL
X-RBL-Check: ORBS
this can be used together with my 822xrblcheck package and my rblsmtpd tagging addon to tag messages and allow users to reject messages that have specific RBL ids from within a .qmail file.
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