Подскажите, плиз. 
 Имею такой файл (incomeletters.txt)  
Код: +OK POP Ya! v1.0na 
 USER delta2-greit 
 +OK password, please. 
 PASS ****** 
 +OK 4 message(s) 49782 bytes. 
 STAT 
 +OK 4 49782 
 LIST 
 +OK 4 49782 
 1 12443 
 2 12447 
 3 12449 
 4 12443 
 . 
 UIDL 1 
 +OK 1 317a487b85a13d2606349c0aa4b9e731 
 RETR 1 
 +OK 12443 octets. 
 Received: from smtp4.yandex.ru (smtp4.yandex.ru [213.180.223.136]) 
     by mxback1.yandex.ru (Postfix) with ESMTP id 7451263FA2 
     for <delta2-greit[сами_знаете_что]yandex.ru>; Wed, 22 Oct 2008 16:20:56 +0400 (MSD) 
 Received: from 57-172.dialup.primorye.ru ([81.2.57.172]:54791 "EHLO 
         a62fc6637610461" smtp-auth: "delta-greit" TLS-CIPHER: <none> 
         TLS-PEER-CN1: <none>) by mail.yandex.ru with ESMTP id S966850AbYJVMU4 
         (ORCPT <rfc822;delta2-greit[сами_знаете_что]yandex.ru>); 
         Wed, 22 Oct 2008 16:20:56 +0400 
 X-Yandex-Spam: 1  
 X-Yandex-Front: smtp4 
 X-Yandex-TimeMark: 1224678056 
 X-BornDate: 1154552400 
 X-Yandex-Karma: 0 
 X-Yandex-KarmaStatus: 0 
 X-MsgDayCount: 37 
 X-Comment: RFC 2476 MSA function at smtp4.yandex.ru logged sender identity as: delta-greit 
 Date:   Wed, 22 Oct 2008 23:20:47 +1100 
 From:   delta-greit[сами_знаете_что]yandex.ru 
 To:     delta2-greit[сами_знаете_что]yandex.ru 
 X-Mailer: Blat v2.6.2 w/GSS encryption, a Win32 SMTP/NNTP mailer 
http://www.blat.net  Message-ID: <01c93440$Blat.v2.6.2$9cf5817a$cb4daf3883a[сами_знаете_что]yandex.ru> 
 Subject: =?Windows-1251?B?8e/g8ejh7iDn4CDv7uzu+fw=?= 
 MIME-Version: 1.0 
 Content-Type: multipart/mixed; 
  boundary="=_BlatBoundary-bFJAaaP70OBdEaKcFnAtU"   
 This is a multi-part message in MIME format.   
 --=_BlatBoundary-bFJAaaP70OBdEaKcFnAtU 
 Content-Transfer-Encoding: quoted-printable 
 Content-Type: text/plain; charset=Windows-1251   
 =CF=F0=E8=E2=E5=F2 
 =EA=E0=EA =E4=E5=EB=E0=3F2   
 --=_BlatBoundary-bFJAaaP70OBdEaKcFnAtU 
 Content-Type: application/octet-stream; 
  name="2_Slavinka4_per_7.zip" 
 Content-Disposition: ATTACHMENT; 
  filename="2_Slavinka4_per_7.zip" 
 Content-Transfer-Encoding: BASE64   
 4sdjlskjuwerYYIOIJOIU&%%&Zw0AAKIdAAAJAH0ARGVsdGEuZGFsU0RoAKwAAAAACAAIFZz 
 Y2RgaRFhYGAwYIAAHyBmZAUzWUWBxD4WO6MvAbtK2J9aa39hxC3HyMTAwMSQwMACkhWQYPjP 
 AgCTAAAAmx4AAAAA   
 --=_BlatBoundary-bFJAaaP70OBdEaKcFnAtU-- 
 . 
 UIDL 2 
 +OK 2 aaca04fdd9bf08647bb98d69dd15d97c 
 RETR 2 
 +OK 12447 octets. 
 Received: from smtp11.yandex.ru (smtp11.yandex.ru [213.180.223.93]) 
     by mxback1.yandex.ru (Postfix) with ESMTP id 5DE5D63F9C 
     for <delta2-greit[сами_знаете_что]yandex.ru>; Wed, 22 Oct 2008 16:20:55 +0400 (MSD) 
 Received: from 57-172.dialup.primorye.ru ([81.2.57.172]:54023 "EHLO 
         a62fc6637610461" smtp-auth: "delta-greit" TLS-CIPHER: <none> 
         TLS-PEER-CN1: <none>) by mail.yandex.ru with ESMTP id S5095627AbYJVMUr 
         (ORCPT <rfc822;delta2-greit[сами_знаете_что]yandex.ru>); 
         Wed, 22 Oct 2008 16:20:47 +0400 
 X-Yandex-Spam: 1  
 X-Yandex-Front: smtp11 
 X-Yandex-TimeMark: 1224678047 
 X-BornDate: 1154552400 
 X-Yandex-Karma: 0 
 X-Yandex-KarmaStatus: 0 
 X-MsgDayCount: 36 
 X-Comment: RFC 2476 MSA function at smtp11.yandex.ru logged sender identity as: delta-greit 
 Date:   Wed, 22 Oct 2008 23:20:39 +1100 
 From:   delta-greit[сами_знаете_что]yandex.ru 
 To:     delta2-greit[сами_знаете_что]yandex.ru 
 X-Mailer: Blat v2.6.2 w/GSS encryption, a Win32 SMTP/NNTP mailer 
http://www.blat.net  Message-ID: <01c93440$Blat.v2.6.2$98143142$a94e3fea18c[сами_знаете_что]yandex.ru> 
 Subject: =?Windows-1251?B?8e/g8ejh7iDn4CDv7uzu+fw=?= 
 MIME-Version: 1.0 
 Content-Type: multipart/mixed; 
  boundary="=_BlatBoundary-haVy4pDehw3lAso0xJE3V"   
 This is a multi-part message in MIME format.   
 --=_BlatBoundary-haVy4pDehw3lAso0xJE3V 
 Content-Transfer-Encoding: quoted-printable 
 Content-Type: text/plain; charset=Windows-1251   
 =CF=F0=E8=E2=E5=F2 
 =EA=E0=EA =E4=E5=EB=E0=3F2   
 --=_BlatBoundary-haVy4pDehw3lAso0xJE3V 
 Content-Type: application/octet-stream; 
  name="2_Slavinka3_per_7.zip" 
 Content-Disposition: ATTACHMENT; 
  filename="2_Slavinka3_per_7.zip" 
 Content-Transfer-Encoding: BASE64   
 3UEsDBBQAAAAIABE8fDeSyHbW4827348jdfkashdfdlskjdauZGFsU0RoAKwAAAAACAAIFZz 
 Y2RgaRFhYGAwYIAAHyBmZAUzWUWBxD4WO6MvAbtK2J9aa3fkjasflkjlkjfsfMACkhWQYPjP 
 AgCTAAAAmx4AAAAA   
 --=_BlatBoundary-haVy4pDehw3lAso0xJE3V-- 
 . 
 UIDL 3 
 +OK 3 2db3021994ccef945d58a32680951d0c 
 RETR 3 
 +OK 12449 octets. 
 Received: from smtp10.yandex.ru (smtp10.yandex.ru [213.180.223.92]) 
     by mxback24.yandex.ru (Postfix) with ESMTP id 871232D69DE 
     for <delta2-greit[сами_знаете_что]yandex.ru>; Wed, 22 Oct 2008 16:20:45 +0400 (MSD) 
 Received: from 57-172.dialup.primorye.ru ([81.2.57.172]:53255 "EHLO 
         a62fc6637610461" smtp-auth: "delta-greit" TLS-CIPHER: <none> 
         TLS-PEER-CN1: <none>) by mail.yandex.ru with ESMTP id S5882066AbYJVMUk 
         (ORCPT <rfc822;delta2-greit[сами_знаете_что]yandex.ru>); 
         Wed, 22 Oct 2008 16:20:40 +0400 
 X-Yandex-Spam: 1  
 X-Yandex-Front: smtp10 
 X-Yandex-TimeMark: 1224678040 
 X-BornDate: 1154552400 
 X-Yandex-Karma: 0 
 X-Yandex-KarmaStatus: 0 
 X-MsgDayCount: 35 
 X-Comment: RFC 2476 MSA function at smtp10.yandex.ru logged sender identity as: delta-greit 
 Date:   Wed, 22 Oct 2008 23:20:31 +1100 
 From:   delta-greit[сами_знаете_что]yandex.ru 
 To:     delta2-greit[сами_знаете_что]yandex.ru 
 X-Mailer: Blat v2.6.2 w/GSS encryption, a Win32 SMTP/NNTP mailer 
http://www.blat.net  Message-ID: <01c93440$Blat.v2.6.2$936e7bd4$f501d8017b9[сами_знаете_что]yandex.ru> 
 Subject: =?Windows-1251?B?8e/g8ejh7iDn4CDv7uzu+fw=?= 
 MIME-Version: 1.0 
 Content-Type: multipart/mixed; 
  boundary="=_BlatBoundary-PYzZdEWPkCEywvp8l49Ot"   
 This is a multi-part message in MIME format.   
 --=_BlatBoundary-PYzZdEWPkCEywvp8l49Ot 
 Content-Transfer-Encoding: quoted-printable 
 Content-Type: text/plain; charset=Windows-1251   
 =CF=F0=E8=E2=E5=F2 
 =EA=E0=EA =E4=E5=EB=E0=3F2   
 --=_BlatBoundary-PYzZdEWPkCEywvp8l49Ot 
 Content-Type: application/octet-stream; 
  name="2_Slavinka2_per_7.zip" 
 Content-Disposition: ATTACHMENT; 
  filename="2_Slavinka2_per_7.zip" 
 Content-Transfer-Encoding: BASE64   
 2UEsDBBQAAAAIABE8fDeSyHbWZw0AAKIdAAAJAH0ARGVsdGEuZGFsU0RoAKwAAAAACAAIFZz 
 Y2RgaRFhYGAwYIAAHyBmZAUzWUWBxD4WO6MvAbtK2J9aa39hxC3HyMTAwMSQwMACkhWQYPjP 
 fkdf;k3i&*^*^*&YOjiojUYYTRooiijuZGFsU0QEAKwAAABVVAUAB/GMTEdQSwUGAAAAAAIA 
 AgCTAAAAmx4AAAAA   
 --=_BlatBoundary-PYzZdEWPkCEywvp8l49Ot-- 
 . 
 UIDL 4 
 +OK 4 77c142d48fbdf7746f1a04b0859a4b76 
 RETR 4 
 +OK 12443 octets. 
 Received: from smtp4.yandex.ru (smtp4.yandex.ru [213.180.223.136]) 
     by mxback1.yandex.ru (Postfix) with ESMTP id 8186863F9A 
     for <delta2-greit[сами_знаете_что]yandex.ru>; Wed, 22 Oct 2008 16:20:34 +0400 (MSD) 
 Received: from 57-172.dialup.primorye.ru ([81.2.57.172]:52487 "EHLO 
         a62fc6637610461" smtp-auth: "delta-greit" TLS-CIPHER: <none> 
         TLS-PEER-CN1: <none>) by mail.yandex.ru with ESMTP id S966864AbYJVMUc 
         (ORCPT <rfc822;delta2-greit[сами_знаете_что]yandex.ru>); 
         Wed, 22 Oct 2008 16:20:32 +0400 
 X-Yandex-Spam: 1  
 X-Yandex-Front: smtp4 
 X-Yandex-TimeMark: 1224678032 
 X-BornDate: 1154552400 
 X-Yandex-Karma: 0 
 X-Yandex-KarmaStatus: 0 
 X-MsgDayCount: 34 
 X-Comment: RFC 2476 MSA function at smtp4.yandex.ru logged sender identity as: delta-greit 
 Date:   Wed, 22 Oct 2008 23:20:23 +1100 
 From:   delta-greit[сами_знаете_что]yandex.ru 
 To:     delta2-greit[сами_знаете_что]yandex.ru 
 X-Mailer: Blat v2.6.2 w/GSS encryption, a Win32 SMTP/NNTP mailer 
http://www.blat.net  Message-ID: <01c93440$Blat.v2.6.2$8eb815f0$9e4495ab3c5[сами_знаете_что]yandex.ru> 
 Subject: =?Windows-1251?B?8e/g8ejh7iDn4CDv7uzu+fw=?= 
 MIME-Version: 1.0 
 Content-Type: multipart/mixed; 
  boundary="=_BlatBoundary-1tBs7TKxSj65ODJWxah5u"   
 This is a multi-part message in MIME format.   
 --=_BlatBoundary-1tBs7TKxSj65ODJWxah5u 
 Content-Transfer-Encoding: quoted-printable 
 Content-Type: text/plain; charset=Windows-1251   
 =CF=F0=E8=E2=E5=F2 
 =EA=E0=EA =E4=E5=EB=E0=3F2   
 --=_BlatBoundary-1tBs7TKxSj65ODJWxah5u 
 Content-Type: application/octet-stream; 
  name="2_Slavinka1_per_7.zip" 
 Content-Disposition: ATTACHMENT; 
  filename="2_Slavinka1_per_7.zip" 
 Content-Transfer-Encoding: BASE64   
 1UEsDBBQAAAAIABE8fDeSyHbWZw0AAKIdAAAJAH0AasdasdE23423424oAKwAAAAACAAIFZz 
 AAAAAAAAACAAtoELDgAAQWN0aW9uMTIjkasdlkajsldkasdVVAUAB/GMTEdQSwUGAAAAAAIA 
 AgCTAAAAmx4AAAAA   
 --=_BlatBoundary-1tBs7TKxSj65ODJWxah5u-- 
 . 
 QUIT 
 +OK shutting down. 
 0