From c213cb3e5608070033135dfbdbc23c2d63c56ad9 Mon Sep 17 00:00:00 2001
From: M66B <M66B@users.noreply.github.com>
Date: Sun, 23 May 2021 07:47:23 +0200
Subject: [PATCH] Skip dns-prefetch images

---
 app/src/main/java/eu/faircode/email/ContactInfo.java | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/app/src/main/java/eu/faircode/email/ContactInfo.java b/app/src/main/java/eu/faircode/email/ContactInfo.java
index 6d51a8c74a..f1259dc940 100644
--- a/app/src/main/java/eu/faircode/email/ContactInfo.java
+++ b/app/src/main/java/eu/faircode/email/ContactInfo.java
@@ -550,6 +550,10 @@ public class ContactInfo {
 
         List<Future<Bitmap>> futures = new ArrayList<>();
         for (Element img : imgs) {
+            // https://developer.mozilla.org/en-US/docs/Web/Performance/dns-prefetch
+            if ("dns-prefetch".equals(img.attr("rel"))) // gmx.net
+                continue;
+
             String favicon = ("link".equals(img.tagName())
                     ? img.attr("href")
                     : img.attr("content"));