Added import error handling

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

@@ -1517,6 +1517,7 @@ public class FragmentFolders extends FragmentBase {
                     while ((line.value = br.readLine()) != null) {
                         line.value += "\n";
 
+                        try {
                             MimeMessage imessage = new MimeMessage(isession, new InputStream() {
                                 private int i = 0;
 
@@ -1547,8 +1548,10 @@ public class FragmentFolders extends FragmentBase {
                             String msgid = helper.getPOP3MessageID();
 
                             int count = db.message().countMessageByMsgId(folder.id, msgid, true);
-                        if (count == 1)
+                            if (count == 1) {
+                                EntityLog.log(context, "Import: message exists msgid=" + msgid);
                                 continue;
+                            }
 
                             Long sent = helper.getSent();
                             long received = helper.getPOP3Received();
@@ -1681,6 +1684,15 @@ public class FragmentFolders extends FragmentBase {
                             } catch (Throwable ex) {
                                 Log.w(ex);
                             }
+                        } catch (Throwable ex) {
+                            Log.e(ex);
+
+                            EntityLog.log(context, "Import error=" + Log.formatThrowable(ex, false));
+
+                            // Resync
+                            while (line.value != null && !line.value.startsWith("From "))
+                                line.value = br.readLine();
+                        }
 
                         if (line.value == null)
                             break;