diff --git a/app/src/main/java/eu/faircode/email/MessageHelper.java b/app/src/main/java/eu/faircode/email/MessageHelper.java
index 42d5fc9065..130fe4bcf3 100644
--- a/app/src/main/java/eu/faircode/email/MessageHelper.java
+++ b/app/src/main/java/eu/faircode/email/MessageHelper.java
@@ -149,6 +149,8 @@ public class MessageHelper {
             "noreply",
             "no.reply",
             "no-reply",
+            "donotreply",
+            "do.not.reply",
             "do-not-reply"
     ));