There are "\n" missing in the main.cf.in template, leading to missing new line chars in the main.cf:
Code:
smtpd_recipient_restrictions =
permit_mynetworks
reject_unauth_destination
reject_non_fqdn_recipient
check_recipient_access regexp:/etc/postfix/rcptaccess check_sender_access regexp:/etc/postfix/senderaccess check_client_access cidr:/etc/postfix/clientaccess check_policy_service inet:127.0.0.1:10022 reject_unknown_recipient_domain reject_unverified_recipient