From 7917682e0825b32b68d494327d1e401b6e4c5018 Mon Sep 17 00:00:00 2001
From: M66B <M66B@users.noreply.github.com>
Date: Tue, 24 Aug 2021 07:46:02 +0200
Subject: [PATCH] Evaluate precedence=bulk

---
 app/src/main/java/eu/faircode/email/MessageHelper.java | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/app/src/main/java/eu/faircode/email/MessageHelper.java b/app/src/main/java/eu/faircode/email/MessageHelper.java
index 4889b24293..906002ed6f 100644
--- a/app/src/main/java/eu/faircode/email/MessageHelper.java
+++ b/app/src/main/java/eu/faircode/email/MessageHelper.java
@@ -1219,8 +1219,14 @@ public class MessageHelper {
     Boolean getAutoSubmitted() throws MessagingException {
         // https://tools.ietf.org/html/rfc3834
         String header = imessage.getHeader("Auto-Submitted", null);
-        if (header == null)
+        if (header == null) {
+            // https://github.com/jpmckinney/multi_mail/wiki/Detecting-autoresponders
+            header = imessage.getHeader("Precedence", null);
+            if ("bulk".equalsIgnoreCase(header)) // Used by Amazon
+                return true;
             return null;
+        }
+
         return !"no".equalsIgnoreCase(header);
     }