How to use "telnet" login to "gmail"?

[GFYsweetwood]

Hi:
Everyone!
How to use "telnet" login to "gmail"?

I use below cmds:

telnet smtp.gmail.com 25

server return:

220 mx.google.com ESMTP y5sm86206tia.17

helo mx.google.com

server return:

250 mx.google.com at your service

auth login

server return:

530 5.7.0 Must issue a STARTTLS command first. y5sm86206tia.17

starttls

server return:

220 2.0.0 Ready to start TLS

auth login

now, the server disconnected!

why?what can i do now?

please give me a hand,thank you very much!

[petrib]

Perhaps this is a question you should ask Google about, as it is about Google's SMTP servers and their behaviour (and nothing to do with Nokia, Symbian or C++).