# telnet mail.kinetica.cl 25
Trying 200.55.206.67...
Connected to mail.kinetica.cl.
Escape character is '^]'.
220 mail.kinetica.cl ESMTP SPF1
ehlo
250-mail.kinetica.cl
250-STARTTLS
250-AUTH LOGIN PLAIN
250-AUTH=LOGIN PLAIN
250-PIPELINING
250 8BITMIME
mail from:<>
250 ok
rcpt to:<mbarrera@kinetica.cl>
530 authentication required
quit
221 mail.kinetica.cl
Connection closed by foreign host.
#