commit 6296a24: [Rules] Fix the case when there are no received headers

[Vsevolod Stakhov]

Author: Vsevolod Stakhov
Date: 2019-01-15 14:52:48 +0000
URL: https://github.com/rspamd/rspamd/commit/6296a24a75b00bd04d16031d6b09080baa7c56c1 (HEAD -> master)

[Rules] Fix the case when there are no received headers

---
 rules/misc.lua | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/rules/misc.lua b/rules/misc.lua
index f6d1c81b9..26f2a1357 100644
--- a/rules/misc.lua
+++ b/rules/misc.lua
@@ -198,7 +198,7 @@ local check_rcvd = rspamd_config:register_symbol{
   group = 'headers',
   callback = function (task)
     local rcvds = task:get_received_headers()
-    if not rcvds then return false end
+    if not rcvds or #rcvds == 0 then return false end
 
     local all_tls = fun.all(function(rc)
       return rc.flags and rc.flags['ssl']