From: me@example.invalid
To: teaching@example.invalid
Subject: Clover teaching thread
Date: Mon, 12 Oct 2026 10:00:00 +0800
Message-ID: <M02@quickrouter.invalid>
MIME-Version: 1.0
Content-Type: text/plain; charset=utf-8

Could you confirm the attendee count? I need it before preparing labels.