+acl_smtp_rcpt = accept logwrite = rcpt acl: macro: _DKIM_SIGN_HEADERS
+acl_smtp_dkim = accept logwrite = dkim_acl: signer: $dkim_cur_signer bits: $dkim_key_length h=$dkim_headernames
+acl_smtp_data = accept logwrite = data acl: dkim status $dkim_verify_status