diff --git a/core/src/main/java/org/eclipse/angus/mail/util/SocketFetcher.java b/core/src/main/java/org/eclipse/angus/mail/util/SocketFetcher.java
index afe0701..5668be1 100644
--- a/core/src/main/java/org/eclipse/angus/mail/util/SocketFetcher.java
+++ b/core/src/main/java/org/eclipse/angus/mail/util/SocketFetcher.java
@@ -1048,11 +1048,11 @@ public boolean verify(String server, SSLSession ssls) {
             } catch (CertificateParsingException ignore) {
                 logger.log(Level.FINEST, server, ignore);
             } catch (IOException spue) {
-                throw new UncheckedIOException(spue);
+                throw new UncheckedIOException(toString() + " DENY", spue);
             }
 
             if (cert == null) {
-                throw new UncheckedIOException(
+                throw new UncheckedIOException(toString() + " DENY",
                         new SSLPeerUnverifiedException("null"));
             }