Spam came which, judging by the headlines, could not reach me! Anomaly?

Question

gmail

The situation is this: there is a mailing address on gmail.com, spam came to it, with the following content

Добрый день.<br/>
<br/>
Оперативно доставлю и растaможу вaши грузы из К Н Р<br/>
<br/>
**************** Людмила Захарова<br/>
<br/>
только _сборные грузы за 21день авиа или жд<br/>
<br/>
Sun, 27 Feb 2011 13:21:59

Here are the headers of that email:

Delivered-To: ******@gmail.com<br/>
Received: by 10.42.217.197 with SMTP id hn5cs37585icb;<br/>
 Sun, 27 Feb 2011 05:22:30 -0800 (PST)<br/>
Received: by 10.223.97.140 with SMTP id l12mr583059fan.65.1298812949419;<br/>
 Sun, 27 Feb 2011 05:22:29 -0800 (PST)<br/>
Return-Path: &lt;[email protected]&gt;<br/>
Received: from maild.rambler.ru (maild.rambler.ru [81.19.66.33])<br/>
 by mx.google.com with ESMTP id o19si2831461fal.60.2011.02.27.05.22.28;<br/>
 Sun, 27 Feb 2011 05:22:29 -0800 (PST)<br/>
Received-SPF: pass (google.com: domain of [email protected] designates 81.19.66.33 as permitted sender) client-ip=81.19.66.33;<br/>
Authentication-Results: mx.google.com; spf=pass (google.com: domain of [email protected] designates 81.19.66.33 as permitted sender) [email protected]<br/>
Received: from 62-142-95-178.pool.ukrtel.net (unknown [178.95.142.62])<br/>
 (Authenticated sender: [email protected])<br/>
 by maild.rambler.ru (Postfix) with ESMTP id BE3BF84494;<br/>
 Sun, 27 Feb 2011 16:22:07 +0300 (MSK)<br/>
Date: Sun, 27 Feb 2011 17:17:57 +0400<br/>
From: =?Windows-1251?B?y/7k7Ojr4CDH4PXg8O7i4A==?= &lt;[email protected]&gt;<br/>
To: [email protected]<br/>
Subject: =?Windows-1251?B?7+Xw5eLu5+rgIOPw8+fu4iDo51/q7fA=?=<br/>
X-Mailer: The Bat! (v3.5) Home<br/>
X-Priority: 3 (Normal)<br/>
MIME-Version: 1.0<br/>
Content-Type: text/plain; charset=Windows-1251<br/>
Content-Transfer-Encoding: 8bit<br/>
Message-Id: &lt;[email protected]&gt;

the only mention of my address is in the Delivered-To header, how could this even happen?

Answer 1

BCC ?

Answer 2

All of these headers will only match if the email is sent through a normal SMTP client. And spammers, of course, don't.
Behold:

$ telnet mail.whitequark.org 25
Trying 2002:59b3:f5e8::1:1...
Connected to mail.whitequark.org.
Escape character is '^]'.
EHLO mannaz
220 mail.whitequark.org ESMTP Postfix (Debian/GNU)
250-mail.whitequark.org
250-PIPELINING
250-SIZE 100000000
250-VRFY
250-ETRN
250-ENHANCEDSTATUSCODES
250-8BITMIME
250 DSNs
MAIL FROM:<[email protected]>
250 2.1.0 OK
RCPT TO:<[email protected]>
250 2.1.5 Ok
DATA
354 End data with <CR><LF>.<CR><LF>
From: [email protected]

This is a text full of marketing crap.
.
250 2.0.0 Ok: queued as DA39E6F5CD
QUIT
221 2.0.0 Bye
Connection closed by foreign host.

Return-Path: <[email protected]>
X-Original-To: [email protected]
Delivered To: [email protected]
Received: by mail.whitequark.org (Postfix, from userid 107)
	id DA7AC38; Sun, 27 Feb 2011 22:11:18 +0300 (MSK)
Received: from mannaz (unknown [IPv6:2002:59b3:f5e8:0:225:d3ff:fe78:6a75])
	by mail.whitequark.org (Postfix) with ESMTP id DA39E6F5CD
	for <[email protected]>; Sun, 27 Feb 2011 22:09:49 +0300 (MSK)
From: [email protected]
Message-Id: <[email protected]>
Date: Sun, 27 Feb 2011 22:11:18 +0300 (MSK)
To: undisclosed-recipients:;

This is a text full of marketing crap.

(X-Original-To shoves, if I'm not mistaken, a virtual rewrite map in postfix-e)