Fixed parsing non essential addresses

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

@@ -20,7 +20,6 @@ package eu.faircode.email;
 */
 
 import android.content.Context;
-import android.text.Html;
 import android.text.TextUtils;
 import android.webkit.MimeTypeMap;
 
@@ -483,6 +482,7 @@ public class MessageHelper {
     }
 
     Address[] getReceiptTo() throws MessagingException {
+        try {
             String to = imessage.getHeader("Disposition-Notification-To", null);
             if (to == null)
                 return null;
@@ -502,6 +502,10 @@ public class MessageHelper {
             fix(address[0]);
 
             return new Address[]{address[0]};
+        } catch (AddressException ex) {
+            Log.w(ex);
+            return null;
+        }
     }
 
     String getAuthentication() throws MessagingException {
@@ -560,6 +564,7 @@ public class MessageHelper {
     }
 
     Address[] getListPost() throws MessagingException {
+        try {
             // https://www.ietf.org/rfc/rfc2369.txt
             String list = imessage.getHeader("List-Post", null);
             if (list == null || "NO".equals(list))
@@ -580,6 +585,10 @@ public class MessageHelper {
             fix(address[0]);
 
             return new Address[]{address[0]};
+        } catch (AddressException ex) {
+            Log.w(ex);
+            return null;
+        }
     }
 
     private static Address[] fix(Address[] addresses) {