server's telnet

220 tessa.penn-tawsha.net ESMTP Postfix (Ubuntu)
ehlo mail.penn-tawsha.net
250-tessa.penn-tawsha.net
250-PIPELINING
250-SIZE 5242880
250-ETRN
250-STARTTLS
250-AUTH LOGIN PLAIN
250-AUTH=LOGIN PLAIN
250-ENHANCEDSTATUSCODES
250-8BITMIME
250 DSN


local box's telnet

220 tessa.penn-tawsha.net ESMTP Postfix (Ubuntu)