From: billing@isp.example
To: kami@example.org
Subject: =?utf-8?B?0KHRh9GR0YIg0LfQsCDQuNC90YLQtdGA0L3QtdGC?=
Date: Fri, 01 Aug 2026 08:00:00 +0400
MIME-Version: 1.0
Content-Type: multipart/alternative; boundary="B1"

--B1
Content-Type: text/html; charset="utf-8"
Content-Transfer-Encoding: base64

PGh0bWw+PGhlYWQ+PHN0eWxlPnB7Y29sb3I6cmVkfTwvc3R5bGU+PC9oZWFkPjxib2R5PjxwPtCh0YfRkdGCINC30LAg0LjQvdGC0LXRgNC90LXRgjogNzAwJm5ic3A74oK9PC9wPjxwPtCe0L/Qu9Cw0YLQuNGC0Ywg0LTQviA1INCw0LLQs9GD0YHRgtCwLjwvcD48c2NyaXB0PngoKTwvc2NyaXB0PjwvYm9keT48L2h0bWw+
--B1--