dn_restriction.lua

-- /etc/rspamd/rspamd.local.lua

local lua_maps = require 'lua_maps'
local rspamd_util = require 'rspamd_util'

local dn_to_email_map = rspamd_config:add_map{
  type = "map",
  url = '/etc/rspamd/restricted_dn.map',
--[[#example map content:
"Foo Bar" foo@example.net
]]--
}

rspamd_config.DN_RESTRICTION = {
  callback = function(task)
    local mfrom = task:get_from('mime')
    if not mfrom and mfrom[1] then return end
    local want_mail = dn_to_email_map:get_key(mfrom[1].name)
    if not want_mail then return end
    return not rspamd_util.strequal_caseless(mfrom[1].addr:lower(), want_mail)
  end,
  score = 10.0,
}