main.cf config

Hello,
Please let me know if I have the below config correct. Do I need to have
the permit as the last entry in each of my restrictions ? Thanks
smtpd_helo_required = yes
smtpd_helo_restrictions =
permit_mynetworks,
permit_mx_backup,
reject_invalid_hostname,
reject_unknown_hostname,
reject_non_fqdn_hostname,
hash:/etc/postfix/access,
reject_rbl_client sbl.spamhaus.org,
reject_rbl_client relays.ordb.org,
reject_rbl_client opm.blitzed.org,
reject_rbl_client spam.dnsrbl.net,
permit
smtpd_sender_restrictions =
reject_unauth_pipelining,
reject_unknown_sender_domain,
hash:/etc/postfix/access,
reject_non_fqdn_sender,
permit
smtpd_recipient_restrictions =
permit_mynetworks,
permit_mx_backup,
reject_unauth_destination,
reject_non_fqdn_recipient,
permit
header_checks = regexp:/etc/postfix/header_checks
body_checks = regexp:/etc/postfix/body_checks
content_filter = smtp-amavis:[localhost]:10024
alias_maps = hash:/etc/postfix/aliases
Jim