From MAILER-DAEMON Sat, 15 Dec 2023 12:19:43 0000
From: Jarno Rantaharju <jarno.rantaharju@aalto.fi>
To: example <example@example.com>
Message-ID: 1
Subject: Hello
date: Sat, 15 Dec 2023 12:19:43 0000
Content-Type: text/plain; charset="utf-8"
Content-Transfer-Encoding: 7bit
MIME-Version: 1.0

Hello! This is a happy message!

From MAILER-DAEMON Sat, 15 Dec 2023 12:29:43 0000
Message-ID: 2
Subject: Hello
To: example <example@example.com>, example2 <example2@example.com>
From: Jarno Rantaharju <jarno.rantaharju@aalto.fi>
date: Sat, 15 Dec 2023 12:29:43 0000
Content-Type: text/plain; charset="utf-8"
Content-Transfer-Encoding: 7bit
MIME-Version: 1.0

Hello! This is a happy message!

From MAILER-DAEMON Sat, 15 Dec 2023 12:39:43 0000
Message-ID: 3
In-Reply-To: 1
Subject: Hello
From: example <example|example.com>
To: Jarno Rantaharju <jarno.rantaharju@aalto.fi>
date: Sat, 15 Dec 2023 12:39:43 0000
received: Other information; Sat, 15 Dec 2023 12:19:43 0000
Content-Type: text/plain; charset="utf-8"
Content-Transfer-Encoding: 7bit
MIME-Version: 1.0

Hello! This is a happy message!

