Back to connecting to host name

app/src/main/java/eu/faircode/email/EmailService.java

@@ -360,17 +360,13 @@ public class EmailService implements AutoCloseable {
     private void connect(
             String host, int port, String user, String password,
             SSLSocketFactoryService factory) throws MessagingException {
-        InetAddress main = null;
         try {
             //if (BuildConfig.DEBUG)
             //    throw new MailConnectException(
             //            new SocketConnectException("Debug", new IOException("Test"), host, port, 0));
 
-            main = InetAddress.getByName(host);
-            EntityLog.log(context, "Connecting to " + main);
-            _connect(main.getHostAddress(), port, user, password, factory);
-        } catch (UnknownHostException ex) {
-            throw new MessagingException("Unknown host " + host, ex);
+            EntityLog.log(context, "Connecting to " + host);
+            _connect(host, port, user, password, factory);
         } catch (MessagingException ex) {
             boolean ioError = false;
             Throwable ce = ex;
@@ -383,8 +379,10 @@ public class EmailService implements AutoCloseable {
             }
 
             if (ioError) {
+                EntityLog.log(context, "Connect ex=" + ex.getMessage());
                 try {
                     // Some devices resolve IPv6 addresses while not having IPv6 connectivity
+                    InetAddress main = InetAddress.getByName(host);
                     InetAddress[] iaddrs = InetAddress.getAllByName(host);
                     boolean ip4 = (main instanceof Inet4Address);
                     boolean ip6 = (main instanceof Inet6Address);