# HELO/EHLO checking configuration [main] # Check if HELO hostname is valid check_valid_hostname=true # Check if HELO matches rDNS check_rdns_match=false # Reject invalid HELO reject_invalid_helo=false # Reject non-FQDN HELO reject_non_fqdn_helo=false # Log HELO check results log_results=true