Use List-Id for threading

5 years ago · bbc550ef1d
parent 18bac3f90e
commit bbc550ef1d
1 changed files with 5 additions and 0 deletions
--- a/app/src/main/java/eu/faircode/email/MessageHelper.java
+++ b/app/src/main/java/eu/faircode/email/MessageHelper.java
@ -785,6 +785,11 @@ public class MessageHelper {

    String[] getReferences() throws MessagingException {
        List<String> result = new ArrayList<>();
+
+        String listId = imessage.getHeader("List-Id", null);
+        if (!TextUtils.isEmpty(listId))
+            result.add(listId);
+
        String refs = imessage.getHeader("References", null);
        if (refs != null)
            result.addAll(Arrays.asList(getReferences(refs)));