EHLO example.com
MAIL FROM: <sender@example.com>
RCPT TO: <recipient@example.com>
DATA
From: me <me@example.org>
To: you <recipient@example.net>
Subject: MIME encapsulation demo
Mime-Version: 1.0
Content-type: multipart/alternative; boundary="covfefe"

--covfefe
Content-type: text/plain; charset="utf-8"
Content-transfer-encoding: quoted-printable

You had me at "H=
ello."

--covfefe
Content-type: text/html; charset="utf-8"
Content-transfer-encoding: base64

PGh0bWw+PGhlYWQ+PHRpdGxlPkhlbGxvLCBpcyBpdCBtZSB5b3UncmUgbG9va2luZyBmb3I/PC
90aXRsZT48L2hlYWQ+PGJvZHk+PHA+VGhlIGNvdiBpbiB0aGUgZmUgZmU8L3A+PC9ib2R5Pjwv
aHRtbD4K

--covfefe--

.

QUIT