KeyTable.lua for opendkim

KeyTable.lua

-- If there is no "@dkim" it means we did not get X-DKIM-Sender header, but From instead.
if query == nil or string.find( query, "@dkim$" ) == nil then
  query = "default=news.shoptet.cz@dkim"
end

signer = string.gsub( query, "@.*", "")

-- Before =
s = string.gsub( signer, "=.*", "")
-- After =
d = string.gsub( signer, ".*=", "")

-- Remove dots from selector
s = string.gsub( s, "%.", "_")
return d, s, "/etc/opendkim/shoptet.private"