[Minor] Prevent MID_CONTAINS_FROM from firing on empty address

diff --git a/rules/mid.lua b/rules/mid.lua
index 08ccaf04abf8815f8bf85012fbfb4974966f7d04..337fbde863da4ed31bcd3d82a46b20e4c75e3227 100644 (file)
--- a/rules/mid.lua
+++ b/rules/mid.lua
@@ -36,7 +36,7 @@ local function mid_check_func(task)
   end
   -- Check From address atrributes against MID
   local from = task:get_from(2)
-  if (from and from[1] and from[1].domain) then
+  if (from and from[1] and from[1].domain and from[1].domain ~= '') then
     local fd = from[1].domain:lower()
     local _,_,md = mid:find("@([^>]+)>?$")
     -- See if all or part of the From address