======  90 Postfix SMTP server: errors from unknown ======


  Transcript of session follows. 
  
   Out: 220 xls01.x1x.com ESMTP Postfix 
   In:  HELO 119.165.16.208 
   Out: 250 xls01.x1x.com 
   In:  MAIL FROM: <ckizqutxitaxzt@chol.com> 
   Out: 250 2.1.0 Ok 
   In:  RCPT TO: <info@pinkeyes.com> 
   Out: 250 2.1.5 Ok 
   In:  DATA 
   Out: 354 End data with <CR><LF>.<CR><LF> 
   Out: 451 4.3.0 Error: queue file write error 
   Out: 421 4.4.2 xls01.x1x.com Error: timeout exceeded 
  
  Session aborted, reason: timeout


[[http://kb.parallels.com/en/6074|http://kb.parallels.com/en/6074]]