postmap -q "67.218.188" mysql:/usr/local/etc/postfix/mysql-mta_clients_reactive_b.cf 554 mta_client_reactive_b
postmap -q "67.218.188.4" mysql:/usr/local/etc/postfix/mysql-mta_clients_reactive_b.cf ... no data man 5 access seems to make no distinction between .map and SQL tables: HOST NAME/ADDRESS PATTERNS With lookups from indexed files such as DB or DBM, or from networked tables such as NIS, LDAP or SQL, the following lookup patterns are examined in the order as listed Subnetworks are matched by repeatedly truncating the last ".octet" from the remote IPv4 host address string until a match is found in the access table, or until further truncation is not possible. Len