diff --git a/app/src/main/java/eu/faircode/email/AdapterMessage.java b/app/src/main/java/eu/faircode/email/AdapterMessage.java
index afd5ef01b5..79e77ff899 100644
--- a/app/src/main/java/eu/faircode/email/AdapterMessage.java
+++ b/app/src/main/java/eu/faircode/email/AdapterMessage.java
@@ -2527,6 +2527,9 @@ public class AdapterMessage extends RecyclerView.Adapter<AdapterMessage.ViewHold
                                     .appendElement("em")
                                     .text(context.getString(R.string.title_truncated));
 
+                        HtmlHelper.autoLink(document);
+                        HtmlHelper.guessSchemes(document);
+
                         boolean overview_mode = prefs.getBoolean("overview_mode", false);
                         HtmlHelper.setViewport(document, overview_mode);
                         if (inline || show_images)
diff --git a/app/src/main/java/eu/faircode/email/HtmlHelper.java b/app/src/main/java/eu/faircode/email/HtmlHelper.java
index 4bb3f75da4..d9ebb52ded 100644
--- a/app/src/main/java/eu/faircode/email/HtmlHelper.java
+++ b/app/src/main/java/eu/faircode/email/HtmlHelper.java
@@ -1327,6 +1327,19 @@ public class HtmlHelper {
         }, document);
     }
 
+    static void guessSchemes(Document document) {
+        for (Element a : document.select("a"))
+            try {
+                String href = a.attr("href");
+                if (TextUtils.isEmpty(href))
+                    continue;
+                Uri uri = UriHelper.guessScheme(Uri.parse(href));
+                a.attr("href", uri.toString());
+            } catch (Throwable ex) {
+                Log.e(ex);
+            }
+    }
+
     static void normalizeNamespaces(Document parsed, boolean display_hidden) {
         // <html xmlns:v="urn:schemas-microsoft-com:vml"
         //   xmlns:o="urn:schemas-microsoft-com:office:office"
