From: {FROM}
User-Agent: Mozilla/5.0 (X11; Linux i686; rv:24.0) Gecko/20100101 Thunderbird/24.2.0
MIME-Version: 1.0
To: {TO}
Subject: Test delivery format - plain & html
Content-Type: multipart/alternative;
boundary="------------090107040900010708000400"
This is a multi-part message in MIME format.
--------------090107040900010708000400
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Delivery format: Plain and Rich (HTML) text.
Hello there... testing mail.
--------------090107040900010708000400
Content-Type: text/html; charset=UTF-8
Content-Transfer-Encoding: 8bit
Delivery format: Plain and Rich (HTML) text.
Hello there... testing mail.
--------------090107040900010708000400--