<permit_tls_clientcerts>permit tls client certs</permit_tls_clientcerts>
<permit_tls_clientcerts_text>Permit the request when the remote SMTP client certificate fingerprint is listed in relay client certs.[br]
The fingerprint digest algorithm is configurable via the smtpd_tls_fingerprint_digest parameter (hard-coded as md5 prior to Postfix version 2.5)</permit_tls_clientcerts_text>
