[PR PATCH] Fix from email determination when replying to some mail group lists

[stacyharper <stacyharper@users.noreply.github.com>]

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There is a new pull request by stacyharper against master on the mblaze repository

https://github.com/stacyharper/mblaze ggroups-fix
https://github.com/leahneukirchen/mblaze/pull/217

Fix from email determination when replying to some mail group lists
I just received a mail coming from a Google Group mail list and it had
the group email as To. So my reply used the default configured mail as
from and not the correct one.

Googles mails provide the target email as Delivered-To. This patch add
this check before the To to prevent this error.

A patch file from https://github.com/leahneukirchen/mblaze/pull/217.patch is attached

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From 5b903ff52d0eae96a178bba95062a86f187a65a2 Mon Sep 17 00:00:00 2001
From: Stacy Harper <contact@stacyharper.net>
Date: Fri, 5 Nov 2021 16:42:14 +0100
Subject: [PATCH] Fix from email determination when replying to some mail group
 lists

I just received a mail coming from a Google Group mail list and it had
the group email as To. So my reply used the default configured mail as
from and not the correct one.

Googles mails provide the target email as Delivered-To. This patch add
this check before the To to prevent this error.
---
 mcom | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mcom b/mcom
index f1657ad..d60070e 100755
--- a/mcom
+++ b/mcom
@@ -368,7 +368,7 @@ fi
 		printf 'Subject: Re: %s\n' "$(COLUMNS=10000 mscan -f '%S' "$1")"
 		if ! printf '%s\n' "$hdrs" | awk '{ print }' |
 		     mhdr -h from: - >/dev/null; then
-			addr=$(maddr -a -h to:cc:bcc: "$1" | replyfrom | head -n1)
+			addr=$(maddr -a -h delivered-to:to:cc:bcc: "$1" | replyfrom | head -n1)
 			[ -n "$addr" ] && from=$(maddr -h reply-from "$MBLAZE/profile" | grep -Fi "<$addr>" | head -n1)
 			[ -n "$addr" ] && [ -z "$from" ] && from=$(maddr -h alternate-mailboxes "$MBLAZE/profile" | grep -Fi "<$addr>" | head -n1)
 			[ -z "$from" ] && from=$(mhdr -h local-mailbox "$MBLAZE/profile")