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Postfix
Here is a sample of one user's main.cf where the SCBL is used:
- smtpd_recipient_restrictions =
- reject_invalid_hostname,
- reject_non_fqdn_sender,
- reject_non_fqdn_recipient,
- reject_unknown_sender_domain,
- reject_unknown_recipient_domain,
- reject_unauth_pipelining,
- permit_mynetworks,
- reject_unauth_destination,
- reject_rbl_client bl.spamcop.net
- permit
- reject_non_fqdn_sender,
Another example using several BL's is available at http://jimsun.linxnet.com/misc/postfix-anti-UCE.txt
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