Miscellany

smtpd_delay_reject = no
smtpd_recipient_restrictions = permit_mynetworks,
	reject_unauth_destination,
	reject_unauth_pipelining,
	reject_invalid_hostname,
	check_policy_service unix:private/spfpolicy
smtpd_client_restrictions = check_client_access hash:/etc/postfix/helo_access,
#	reject_unknown_client_hostname,
#	reject_rbl_client dnsbl.njabl.org,
	reject_rbl_client zen.spamhaus.org,
        reject_rbl_client bl.spamcop.net
smtpd_helo_restrictions = permit_mynetworks,
	check_helo_access hash:/etc/postfix/helo_access,
	reject_invalid_hostname,
	reject_non_fqdn_hostname,
	reject_unknown_helo_hostname
smtpd_sender_restrictions = check_sender_access hash:/etc/postfix/helo_access,
	reject_unknown_sender_domain