From 220758d2447c18f1dec88659c32b434586611e20 Mon Sep 17 00:00:00 2001
From: link2xt <link2xt@testrun.org>
Date: Sat, 4 Dec 2021 18:51:25 +0000
Subject: [PATCH] Place removed members into Bcc: instead of To:

This way if someone replies to the member deletion messsage from a
classic MUA, they will not reply to the removed member.
---
 src/mimefactory.rs | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/src/mimefactory.rs b/src/mimefactory.rs
index c7b3cff70..5a30a9802 100644
--- a/src/mimefactory.rs
+++ b/src/mimefactory.rs
@@ -459,7 +459,19 @@ impl<'a> MimeFactory<'a> {
         );
 
         let mut to = Vec::new();
+        let email_to_remove = if self.msg.param.get_cmd() == SystemMessage::MemberRemovedFromGroup {
+            self.msg.param.get(Param::Arg)
+        } else {
+            None
+        };
+
         for (name, addr) in self.recipients.iter() {
+            if let Some(email_to_remove) = email_to_remove {
+                if email_to_remove == addr {
+                    continue;
+                }
+            }
+
             if name.is_empty() {
                 to.push(Address::new_mailbox(addr.clone()));
             } else {