SpamCop FAQ : Help for abuse-desks and administrators :
Adding BLs to Postfix
In /etc/postfix/main.cf, include the following :
maps_rbl_domains = blackholes.mail-abuse.org relays.mail-abuse.org bl.spamcop.net inputs.orbz.org outputs.orbz.org relays.ordb.org or.orbl.org
disable_vrfy_command = yes reject_non_fqdn_hostname #: reject HELO hostname that is not in FQDN form reject_non_fqdn_sender #: reject sender address that is not in FQDN form reject_non_fqdn_recipient #: reject recipient address that is not in FQDN form
smtpd_sender_restrictions = hash:/etc/postfix/access,
reject_unknown_sender_domain
smtpd_recipient_restrictions = permit_mynetworks,
reject_unauth_destination
smtpd_client_restrictions = permit_mynetworks, reject_maps_rbl
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