220 www.localhost.com ESMTP service ready
250-www.localhost.com says hello
250-ENHANCEDSTATUSCODES
250-PIPELINING
250-CHUNKING
250-8BITMIME
250-AUTH CRAM-MD5 PLAIN LOGIN
250-AUTH=CRAM-MD5 PLAIN LOGIN
250-XACK
250-SIZE 0
250-VERP
250-SMTPUTF8
250 DSN