commit f92d884: [Minor] forged_recipients: fix for uppercase RFC5321.MailFrom domain

Anton Yuzhaninov citrin+git at
Sat Oct 31 20:49:06 UTC 2020

Author: Anton Yuzhaninov
Date: 2020-10-30 17:44:22 +0000
URL: (refs/pull/3537/head)

[Minor] forged_recipients: fix for uppercase RFC5321.MailFrom domain
If RFC5321.MailFrom has an address with uppercase domain following error
/usr/share/rspamd/plugins/forged_recipients.lua:129: attempt to index a nil value; trace: [1]:{/usr/share/rspamd/plugins/forged_recipients.lua:129 - <unknown> [Lua]};

Lowercase a domain.

 src/plugins/lua/forged_recipients.lua | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/plugins/lua/forged_recipients.lua b/src/plugins/lua/forged_recipients.lua
index 4f7942f79..de5ceb87d 100644
--- a/src/plugins/lua/forged_recipients.lua
+++ b/src/plugins/lua/forged_recipients.lua
@@ -126,7 +126,7 @@ local function check_forged_headers(task)
   for _,smtp_rcpt in ipairs(smtp_rcpts) do
     if not smtp_rcpt.matched then
-      if not smtp_rcpt_domain_map[smtp_rcpt.domain]._seen_mime_domain then
+      if not smtp_rcpt_domain_map[smtp_rcpt.domain:lower()]._seen_mime_domain then
         seen_smtp_unmatched = true
         table.insert(opts, 's:' .. smtp_rcpt.addr)

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