ip만 있는 서버에서 sendmail 이용해서 메일 보내기가 않됩니다.
내부로 주소를 id만 치고 메일을 보내면 되거든요
 그런데 외부로 보내면 아래와 같이 에러 발생합니다.
 The original message was received at Wed, 11 Oct 2000 06:20:55 +0900
from windeye@localhost  
   ----- The following addresses had permanent fatal errors -----
windeye at shinbiro.com 
 
   ----- Transcript of session follows -----
... while talking to mail3.shinbiro.com.:
>>> MAIL From:<windeye at www.bongrae.es.kr> SIZE=49
<<< 501 <windeye at www.bongrae.es.kr>... Sender domain must exist
501 windeye at shinbiro.com... Data format error
 
--GAA01550.971212856/www.bongrae.es.kr
Content-Type: message/delivery-status
 
Reporting-MTA: dns; www.bongrae.es.kr Arrival-Date: Wed, 11 Oct 2000 06:20:55 +0900
 
Final-Recipient: RFC822; windeye at shinbiro.com Action: failed
Status: 5.5.2
Remote-MTA: DNS; mail3.shinbiro.com
Diagnostic-Code: SMTP; 501 <windeye at www.bongrae.es.kr>... Sender domain must exis
t
Last-Attempt-Date: Wed, 11 Oct 2000 06:20:56 +0900
 
--GAA01550.971212856/www.bongrae.es.kr
Content-Type: message/rfc822