Hi Mark > INPUT_MAIL_FILTER(`mimedefang', > `S=unix:/var/spool/MIMEDefang/mimedefang.sock, F=T, T=S:5m;R:5m') Remove the "T" after F= to tell sendmail not to tempfail on milter error state: INPUT_MAIL_FILTER(`mimedefang', `S=unix:/var/spool/MIMEDefang/mimedefang.sock, F=, T=S:5m;R:5m') Dave