Postfix/Courier-imapの SSL証明書登録時の注意事項

Postfix
  cat [サーバ証明書] [中間証明書] >cert.pem
  vi main.cf
  smtpd_tls_cert_file = /etc/postfix/cert.pem

Courier-imap/pop3
  cat [サーバ証明書] [中間証明書] [rootCA] [鍵] | nkf -unix >cert.pem
  vi imapd-ssl
  TLS_CERTFILE=cert.pem