From 53ce38b2f1dfbed01f9dc8dcf0736d947e683c6b Mon Sep 17 00:00:00 2001
From: M66B <M66B@users.noreply.github.com>
Date: Tue, 2 Feb 2021 09:53:09 +0100
Subject: [PATCH] Updated FAQ

---
 FAQ.md | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/FAQ.md b/FAQ.md
index 93d1df70ea..c526646598 100644
--- a/FAQ.md
+++ b/FAQ.md
@@ -2867,7 +2867,12 @@ Since this is an experimental feature, my advice is to start with just one folde
 
 *Send address unknown (version 1.1477+)*
 
-Send a [Delivery Status Notification](https://tools.ietf.org/html/rfc3464) *Address unknown* via the reply/answer menu.
+Send a [Delivery Status Notification](https://tools.ietf.org/html/rfc3464) *Address unknown* (=hard bounce) via the reply/answer menu.
+
+Hard bounces will mostly be processed automatically because they affect the reputation of the email provider.
+The bounce address (=*Return-Path* header) is mostly very specific, so the email server can determine the sending account.
+
+For some background, see for [this Wikipedia article](https://en.wikipedia.org/wiki/Bounce_message).
 
 <br />