throw state changing exception on failed tls only if no more connection options left

src/main/java/eu/siacs/conversations/xmpp/XmppConnection.java

@@ -395,9 +395,11 @@ public class XmppConnection implements Runnable {
 
 							if (!tlsFactoryVerifier.verifier.verify(account.getServer().getDomainpart(), ((SSLSocket) localSocket).getSession())) {
 								Log.d(Config.LOGTAG, account.getJid().toBareJid() + ": TLS certificate verification failed");
+								if (!iterator.hasNext()) {
 									throw new StateChangingException(Account.State.TLS_ERROR);
 								}
 							}
+						}
 						if (startXmpp(localSocket)) {
 							break; // successfully connected to server that speaks xmpp
 						} else {