Transcript of session follows.

 Out: 220 gw.nsrz.ru ESMTP Postfix
 In:  EHLO lists.altlinux.org
 Out: 250-gw.nsrz.ru
 Out: 250-PIPELINING
 Out: 250-SIZE 26214400
 Out: 250-ETRN
 Out: 250 8BITMIME
 In:  MAIL FROM:<community-bounces@lists.altlinux.org> SIZE=2652
 Out: 250 Ok
 In:  RCPT TO:<ashen@nsrz.ru>
 Out: 451 Error: queue file write error
 In:  DATA
 Out: 554 Error: no valid recipients
 In:  RSET
 Out: 250 Ok
 In:  QUIT
 Out: 221 Bye