There seems to be increased spam activity last few days. Both rejected connections and marked SPAM has increased on our systems.
Some graphs from zabbix:
Popular spam this days seems to be
Our company is a financial consulting company that meets with complicated problems that often have no easy answers. We are seeking motivated candidates with a broad range of backgrounds to help us solve such critical business dilemmas.
In postfix it can be blocked using body_checks in main.cf
body_checks = regexp:/etc/postfix/body_checks
/^Our company is a financial consulting company that meets with complicated problems that often have no easy answers/ REJECT