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Code Issues Releases Wiki Activity

Improved auto submitted detection

This commit is contained in:
M66B 2021-11-19 08:01:24 +01:00
parent 916d474e73
commit 4718ee53a8
1 changed files with 29 additions and 0 deletions
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29
app/src/main/java/eu/faircode/email/MessageHelper.java
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@ -1251,10 +1251,39 @@ public class MessageHelper {
// https://tools.ietf.org/html/rfc3834
String header = imessage.getHeader("Auto-Submitted", null);
if (header == null) {
// https://www.arp242.net/autoreply.html
// https://github.com/jpmckinney/multi_mail/wiki/Detecting-autoresponders
// Microsoft
header = imessage.getHeader("X-Auto-Response-Suppress", null);
if ("DR".equalsIgnoreCase(header)) // Suppress delivery reports
return true;
if ("AutoReply".equalsIgnoreCase(header)) // Suppress autoreply messages other than OOF notifications
return true;
if ("All".equalsIgnoreCase(header))
return true;
// Google
header = imessage.getHeader("Feedback-ID", null);
if (header != null)
return true;
header = imessage.getHeader("Precedence", null);
if ("bulk".equalsIgnoreCase(header)) // Used by Amazon
return true;
if ("auto_reply".equalsIgnoreCase(header))
return true;
if ("list".equalsIgnoreCase(header))
return true;
// Lists
header = imessage.getHeader("List-Id", null);
if (header != null)
return true;
header = imessage.getHeader("List-Unsubscribe", null);
if (header != null)
return true;
return null;
}