몇일 전에 잘 되었는데
갑자기 이렇게 에러가 뜬군요.
local 계정자에게 잘 보내집니다.
 sinem1 at hanmail.net... Connecting to hanmail.net via esmtp...
sinem1 at hanmail.net... Host unknown (Name server: hanmail.net: no data known)
/root/dead.letter... Saved message in /root/dead.letter
   /var/log/maillog
 Apr 29 20:02:48 indiead sendmail[1260]: UAA01260: from=root, size=43, class=0, pri=30043, nrcpts=1,
msgid=<200104291102.UAA01260 at indiead.co.kr>, relay=root@localhost Apr 29 20:02:49 indiead sendmail[1260]: UAA01260: to=s
inem1 at hanmail.net, ctladdr=root (0/0), delay=0 0:00:02, xdelay=00:00:01, mailer=esmtp, relay=hanmail.net, stat=Host unkn
own (Name server: hanmail.n et: no data known