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[kkkim@devcore kkkim]$ telnet 0 25
Trying 0.0.0.0...
Connected to 0 (0.0.0.0).
Escape character is '^]'.
220 devcore.info ESMTP Sendmail 8.12.9/8.12.9; Fri, 10 Oct 2003 16:44:10 +0900
HELO unknown.com
250 devcore.info Hello localhost [127.0.0.1] (may be forged), pleased to meet you
Mail From: unknown@unknown.com
250 2.1.0 unknown@unknown.com... Sender ok
Rcpt To: kkkim@devcore.info
250 2.1.5 kkkim... Recipient ok
DATA
354 Enter mail, end with "." on a line by itself
Subject: test....
Mail From: hahaha@nono.com
Rcpt To: kikiki@com.com
hahaha....test...
.
250 2.0.0 h9A7iAJN003550 Message accepted for delivery
quit
221 2.0.0 palmia.totozul.com closing connection
Connection closed by foreign host.
You have new mail in /var/spool/mail/kkkim
[kkkim@devcore kkkim]$
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Áï, unknown.com, unknown@unknown.com, hahaha@nono.com, kikiki@com.com À̰Ç
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Rcpt To: kkkim@devcore.info <------ ¿ä°Í¸¸ ÁøÂ¥ ÀÔ´Ï´Ù.
À§¿Í °°ÀÌ º¸³»°Ô µÇ¸é ¸ÞÀÏÀ» ¹Þ´Â »ç¶÷Àº kkkim@devcore.info ÀÌ µÇÁö¸¸, ½ÇÁ¦ ¸ÞÀÏÀÇ ³»¿ëÀ» º¸¸é ´ÙÀ½°ú °°ÀÌ º¸ÀÌ°Ô µË´Ï´Ù.
º¸³½»ç¶÷ : hahaha@nono.com
¹Þ´Â»ç¶÷ : kikiki@com.com
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ÇÏÁö¸¸, ´Ù¸¥ IP·Î ¹Ù²Ù¾î¼ º¸³»¸é....¶Ç ¹Þ°ÔµÇ°ÚÁÒ...¤Ñ¤Ñ;;;
Áï, ÇöÀçÀÇ SMTP ÇÁ·ÎÅäÄÝ ±¸Á¶°¡ º¯ÇÏÁö ¾Ê´ÂÇÑ...½ºÆÔ°úÀÇ ÀüÀïÀº ³¡³ª±â ¾î·Á¿ïµí ÇÕ´Ï´Ù...±×³É..´ëÃæ Àû¾ú´Âµ¥...µµ¿òÀÌ µÇ¼Ì±â¸¦ ¹Ù¶ø´Ï´Ù..