diff --git a/demos/demo2/sendemail.cpp b/demos/demo2/sendemail.cpp
index c106e7d..2358a4f 100644
--- a/demos/demo2/sendemail.cpp
+++ b/demos/demo2/sendemail.cpp
@@ -107,12 +107,14 @@ void SendEmail::on_sendEmail_clicked()
     }
 
     if (auth)
+    {
         smtp.login(user, password);
         if (!smtp.waitForAuthenticated())
         {
             errorMessage("Authentification Failed");
             return;
         }
+    }
 
     smtp.sendMail(message);
     if (!smtp.waitForMailSent())
diff --git a/src/smtpclient.cpp b/src/smtpclient.cpp
index 507c701..1f76581 100644
--- a/src/smtpclient.cpp
+++ b/src/smtpclient.cpp
@@ -599,6 +599,8 @@ void SmtpClient::socketStateChanged(QAbstractSocket::SocketState state) {
 void SmtpClient::socketError(QAbstractSocket::SocketError socketError) {
 #ifndef QT_NO_DEBUG
     qDebug() << "[Socket] ERROR:" << socketError;
+#else
+    Q_UNUSED(socketError);
 #endif
     emit error(SocketError);
 }