From f3c73adaa541ae54092467a29668ac32894ef1dc Mon Sep 17 00:00:00 2001
From: Jeremy Harris <jgh146exb@wizmail.org>
Date: Tue, 5 Feb 2019 23:19:00 +0000
Subject: DKIM: ensure that dkim_domain elements are lowercased before use. 
 Bug 2371

---
 src/src/dkim.c | 1 +
 1 file changed, 1 insertion(+)

(limited to 'src')

diff --git a/src/src/dkim.c b/src/src/dkim.c
index a0becd45b..96d7eba81 100644
--- a/src/src/dkim.c
+++ b/src/src/dkim.c
@@ -620,6 +620,7 @@ if (dkim_domain)
   /* Only sign once for each domain, no matter how often it
   appears in the expanded list. */
 
+  dkim_signing_domain = string_copylc(dkim_signing_domain);
   if (match_isinlist(dkim_signing_domain, CUSS &seen_doms,
       0, NULL, NULL, MCL_STRING, TRUE, NULL) == OK)
     continue;
-- 
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