[Fix] Authentication Results: Fix SPF smtp.mail_from

 - MFH: rspamd-1.6

diff --git a/lualib/auth_results.lua b/lualib/auth_results.lua
index 5f4b2f896fe24718779586d56d8446199e55ecf0..edf13fff8f365d7b7c75b09666120b1485e332a0 100644 (file)
--- a/lualib/auth_results.lua
+++ b/lualib/auth_results.lua
@@ -152,8 +152,8 @@ local function gen_auth_results(task, settings)
       elseif auth_type == 'spf' and key ~= 'none' then
         hdr = hdr .. auth_type .. '=' .. key
         local smtp_from = task:get_from('smtp')
-        if smtp_from['addr'] ~= '' and smtp_from['addr'] ~= nil then
-          hdr = hdr .. ' smtp.mailfrom=' .. smtp_from['addr']
+        if smtp_from and smtp_from[1] and smtp_from[1]['addr'] ~= '' and smtp_from[1]['addr'] ~= nil then
+          hdr = hdr .. ' smtp.mailfrom=' .. smtp_from[1]['addr']
         else
           local helo = task:get_helo()
           if helo then