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-rw-r--r--src/plugins/lua/mid.lua4
1 files changed, 3 insertions, 1 deletions
diff --git a/src/plugins/lua/mid.lua b/src/plugins/lua/mid.lua
index 0ca26b91f..959697cd9 100644
--- a/src/plugins/lua/mid.lua
+++ b/src/plugins/lua/mid.lua
@@ -35,11 +35,13 @@ local settings = {
local map = {}
+local E = {}
+
local function known_mid_cb(task)
local re = {}
local header = task:get_header('Message-Id')
local das = task:get_symbol(settings['symbol_dkim_allow'])
- if das and das[1] and das[1]['options'] then
+ if ((das or E)[1] or E).options then
for _,dkim_domain in ipairs(das[1]['options']) do
local v = map:get_key(dkim_domain)
if v then