[Exim] AUTH question

Welcome

I made AUTH SMTP and it work fine :)
When I telnet into 25 port then:

250-SIZE
250-PIPELINING
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP

I wonder, what i must write into config file for this line:
250-AUTH=PLAIN LOGIN

Can some help me?

I greet
Roxik