DKIM: ensure that dkim_domain elements are lowercased before use. Bug 2371

[exim.git] / src / src / dkim.c

diff --git a/src/src/dkim.c b/src/src/dkim.c
index a0becd45be9d64ab1a6b51c81e919a27c75d0229..96d7eba81468ce89b3fee2c2413ff4c780cb5fb4 100644 (file)
--- 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;