timloo@ktshop:~$ telnet ktshop.kttools.com.tw 25
Trying 192.168.168.39...
Connected to ktshop.kttools.com.tw.
Escape character is '^]'.
220 ktshop ESMTP Postfix (Ubuntu)
ehlo ktshop.kttools.com.tw
250-ktshop
250-PIPELINING
250-SIZE 10240000
250-VRFY
250-ETRN
250-STARTTLS
250-ENHANCEDSTATUSCODES
250-8BITMIME
250 DSN
quit
221 2.0.0 Bye
Connection closed by foreign host.
