msys.dp_config.fcdns

March 26, 2020 Contributors

This table determines the behavior when performing a Full Circle DNS (FCDNS). (Also know as forward-confirmed reverse DNS.)

Find below the sample excerpt included in the dp_config.lua file.

msys.dp_config.fcdns = {
  check = true,
  rdns_failure_code = 554,
  fdns_failure_code = 554,
  honor_whitelist = { "global" },
};

The elements of this configuration table are as follows:

check

Whether or not to use this configuration item.

rdns_failure_code

The code associated with a failed reverse DNS lookup. Typically this element is assigned the value 554.

fdns_failure_code

The code associated with a failed forward DNS lookup. Typically this element is assigned the value 554.

honor_whitelist

A table listing any applicable whitelists set in the msys.dp_config.whitelist table.