From ba0d63e5d0b40f11dc5a77c4f4e7d2e8345c5bc7 Mon Sep 17 00:00:00 2001
From: M66B <M66B@users.noreply.github.com>
Date: Mon, 29 Jul 2019 07:09:45 +0200
Subject: [PATCH] Retry connection exceptions on IPv4 only

---
 app/src/main/java/eu/faircode/email/ConnectionHelper.java | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/app/src/main/java/eu/faircode/email/ConnectionHelper.java b/app/src/main/java/eu/faircode/email/ConnectionHelper.java
index bcef30d2d6..1ac4cf8ba3 100644
--- a/app/src/main/java/eu/faircode/email/ConnectionHelper.java
+++ b/app/src/main/java/eu/faircode/email/ConnectionHelper.java
@@ -18,6 +18,7 @@ import com.bugsnag.android.BreadcrumbType;
 import com.bugsnag.android.Bugsnag;
 import com.sun.mail.imap.IMAPStore;
 import com.sun.mail.smtp.SMTPTransport;
+import com.sun.mail.util.MailConnectException;
 
 import org.xbill.DNS.Lookup;
 import org.xbill.DNS.SimpleResolver;
@@ -272,7 +273,7 @@ public class ConnectionHelper {
     static void connect(Context context, ServiceHolder iservice, String host, int port, String user, String password) throws MessagingException {
         try {
             iservice.connect(context, host, port, user, password);
-        } catch (MessagingException ex) {
+        } catch (MailConnectException ex) {
             if (!hasIPv6(host))
                 throw ex;