From 060f5b027ba19377ad1a8a9c0fdb08d97ce02ced Mon Sep 17 00:00:00 2001
From: M66B <M66B@users.noreply.github.com>
Date: Wed, 29 Jul 2020 14:11:18 +0200
Subject: [PATCH] Check MX on send only if internet

---
 app/src/main/java/eu/faircode/email/FragmentCompose.java | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/app/src/main/java/eu/faircode/email/FragmentCompose.java b/app/src/main/java/eu/faircode/email/FragmentCompose.java
index b5c4ff9f3d..664c456c67 100644
--- a/app/src/main/java/eu/faircode/email/FragmentCompose.java
+++ b/app/src/main/java/eu/faircode/email/FragmentCompose.java
@@ -44,6 +44,7 @@ import android.graphics.drawable.GradientDrawable;
 import android.net.ConnectivityManager;
 import android.net.Network;
 import android.net.NetworkCapabilities;
+import android.net.NetworkInfo;
 import android.net.NetworkRequest;
 import android.net.Uri;
 import android.os.Build;
@@ -4662,7 +4663,10 @@ public class FragmentCompose extends FragmentBase {
             if (addresses == null)
                 return;
 
-            DnsHelper.checkMx(context, addresses);
+            ConnectivityManager cm = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
+            NetworkInfo ani = (cm == null ? null : cm.getActiveNetworkInfo());
+            if (ani != null && ani.isConnected())
+                DnsHelper.checkMx(context, addresses);
         }
     };