Sorry if i have not explained it correctly in the subject... (Using
postfix 2.5 on debian lenny).

We are testing the "ips.backscatterer.org" setup on one of our servers
and would like to understand the impact before we implement. Is there
any way we can check the ips.backscatterer.org RBL for the IP, then
put the message on HOLD - rather than rejecting it?

smtpd_recipient_restrictions =
  ...
  check_sender_access hash:/etc/postfix/check_backscatterer,
  ...

# cat check_backscatterer
#<> reject_rbl_client ips.backscatterer.org
#postmaster     reject_rbl_client ips.backscatterer.org


Thanks

Simon

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