我有一个多站点安装，其中电子邮件设置为在二级站点的一个类别上。
通常电子邮件会发送到该类别，但现在别名和转发地址在主实例上都会被_拒绝_。别名或转发地址的邮件头除了 SMTP 中继外没有显示任何差异，并且两者都最终会陷入 Email::Receiver::BadDestinationAddress 的情况。
下面是一个收到的电子邮件示例：
email headers
Return-Path: <how@zoethical.com>
Received: from relay7-d.mail.gandi.net (relay7-d.mail.gandi.net [IPv6:2001:4b98:dc4:8::227])
by spool.mail.gandi.net (Postfix) with ESMTPS id 242347803E6
for <l-congo-eteint@zoethical.com>; Wed, 29 Nov 2023 09:36:53 +0000
Received: by mail.gandi.net (Postfix) with ESMTPSA id 009842000B
for <l-congo-eteint@zoethical.com>; Wed, 29 Nov 2023 09:36:52 +0000
Date: Wed, 29 Nov 2023 10:36:52 +0100
From: hellekin <how@zoethical.com>
To: l-congo-eteint@zoethical.com
Message-ID: <77e5de0c-aee9-4bb2-ad21-9ce80f1f4261@zoethical.com>
Subject: re test
Mime-Version: 1.0
Content-Type: text/plain;
charset=UTF-8;
format=flowed
Content-Transfer-Encoding: 7bit
Delivered-To: discourse@zoethical.com
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=zoethical.com; s=gm1;
t=1701250613;
h=from:from:reply-to:subject:subject:date:date:message-id:message-id:
to:to:cc:mime-version:mime-version:content-type:content-type:
content-transfer-encoding:content-transfer-encoding;
bh=5WhFPtf1bSv52DEdVeCHh9wP49G7aODMQQUgRsO0pO4=;
b=VM7zTdKjXI81k29lV207guQiDqm0l6gQuXWhKM9mBbQPHa3rm8pqsqtcn3NSVIgJA6RJ/M
GAaBwfhvjgjboQ2nKG+79JaBXEL0re/ecSgz9R8pkWVHG89mBs1WyCqZnL/oaUdlNFzMW+
KVd9RQjehFuF11/anSn2VgxWKoIcjfhaUpiL3rXehGY9N8QeoleN7RSOJi2iq6XDzoJ9ZE
EcPbpzDsjmQFHCSsEn4vFdBoYHMTU0pMgV4pxZbwFLZ5Y49QG9lBEoQdoeD9PDAZUQ6kwt
Dts6vRXbN1GT2kTM57rXdcem9GA8LbfYOkP1FoXv8/Fn/LwdbLh0f+VrDr4DVA==
User-Agent: Mozilla Thunderbird
Content-Language: en-US, fr, fr-FR, fr-BE
X-GND-Sasl: how@zoethical.com
X-GND-Status: LEGIT
Authentication-Results: spool.mail.gandi.net; dkim=pass header.d=zoethical.com
header.s=gm1 header.b=VM7zTdKj; dmarc=none; spf=pass (spool.mail.gandi.net:
domain of how@zoethical.com designates 2001:4b98:dc4:8::227 as permitted
sender) smtp.mailfrom=how@zoethical.com