помогите со спамом разобраться

[green22]

постоянно приходит спам адрес отправителя я сам (тоесть в отправителе мой адрес) когда касперскому говорю что ето письмо спам он выдает потом вот такую информацию

например вот
+OK
Return-path: <[email protected]>
Envelope-to: [email protected]
Delivery-date: Sun, 21 Dec 2008 10:15:00 +0200
Received: from [78.139.169.15] (helo=aarym.soloarrow.com)
by mail3.ukrpost.ua with smtp (Exim 4.69)
(envelope-from <[email protected]>)
id 1LEJSk-0000Pf-Ke
for [email protected]; Sun, 21 Dec 2008 10:15:00 +0200
To: <[email protected]>
Subject: You probably gave wrong number
From: <[email protected]>
MIME-Version: 1.0
Importance: High
Content-Type: text/html

или вот
+OK
Return-path: <[email protected]>
Envelope-to: [email protected]
Delivery-date: Thu, 25 Dec 2008 06:10:17 +0200
Received: from [123.17.185.215] (helo=136.com)
by mail4.ukrpost.ua with smtp (Exim 4.69)
(envelope-from <[email protected]>)
id 1LFhY7-0005VY-A4
for [email protected]; Thu, 25 Dec 2008 06:10:17 +0200
To: <[email protected]>
Subject: A few simple steps to power
From: <[email protected]>
MIME-Version: 1.0
Importance: High
Content-Type: text/html

что обозначает ето Return-path: <[email protected]>

[sskkru]

green22,
inetnum: 123.17.0.0 - 123.17.255.255
netname: VNPTinfrastructure-NET
country: vn
descr: Vietnam Posts and Telecommunications(VNPT)
admin-c: NXC1-AP
tech-c: KNH1-AP
status: ASSIGNED NON-PORTABLE
changed: [email protected] 20081016
mnt-by: MAINT-VN-VNPT
source: APNIC
person: Nguyen Xuan Cuong
nic-hdl: NXC1-AP
e-mail: [email protected]
address: Vietnam Posts and Telecommunications (VNPT)
address: 23 Phan Chu Trinh, Ha Noi
phone: +84-4-9430427
fax-no: +84-4-8226861
country: VN
changed: [email protected] 20070510
mnt-by: MAINT-VN-VNPT
source: APNIC

person: Khanh Nguyen Hien
nic-hdl: KNH1-AP
e-mail: [email protected]
address: Vietnam Datacommunications Company (VDC)
address: Lo IIA Lang Quoc te Thang Long, Cau Giay, Ha Noi
phone: +84-4-793 0563
fax-no: +84-4-2811506
country: VN
changed: [email protected] 20080717
mnt-by: VNPT
source: APNIC


inetnum: 78.139.160.0 - 78.139.191.255
netname: CAUCASUS-NET-GEPON1
descr: Caucasus Online Gepon net #2
country: GE
admin-c: IB376-RIPE
tech-c: IB376-RIPE
status: ASSIGNED PA
mnt-by: CAUCASUS-NET-MNT
source: RIPE # Filtered

person: Irakli Bakhtadze
phone: +995 32 480000
e-mail: [email protected]
nic-hdl: IB376-RIPE
address: Caucasus Network
address: 42 Rustaveli ave.
address: Tbilisi, Georgia
source: RIPE # Filtered

% Information related to '78.139.128.0/18AS28751'

route: 78.139.128.0/18
descr: CAUCASUS-NET-GEPON1
origin: AS28751
mnt-by: CAUCASUS-NET-MNT
source: RIPE # Filtered

% Information related to '78.139.160.0/20AS28751'

route: 78.139.160.0/20
descr: Caucasus Online new net #3
origin: AS28751
mnt-by: CAUCASUS-NET-MNT
source: RIPE # Filtered

% Information related to '78.139.160.0/19AS28751'

route: 78.139.160.0/19
descr: CAUCASUS-NET-GEPON-INT-2
origin: AS28751
mnt-by: CAUCASUS-NET-MNT
source: RIPE # Filtered

[green22]

а почему почти в каждом вот ето мыло Return-path: <[email protected]>