DKIM: DNS records having no v= tag are acceptable. Bug 2207

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

diff --git a/src/src/dkim.c b/src/src/dkim.c
index 18427fe9b4579cae38c3cac87e34db99451c724a..b4aecbc3b538842f3476d8c04c43748bb562b0c6 100644 (file)
--- a/src/src/dkim.c
+++ b/src/src/dkim.c
@@ -75,7 +75,8 @@ for (rr = dns_next_rr(&dnsa, &dnss, RESET_ANSWERS);
       }
 
     /* check if this looks like a DKIM record */
-    if (strncasecmp(answer, "v=dkim", 6) != 0) continue;
+    if (strncmp(answer, "v=", 2) == 0 && strncasecmp(answer, "v=dkim", 6) != 0)
+      continue;
     return PDKIM_OK;
     }