+OK <84943.1713828158@s54.coreserver.jp> -ERR authorization first
+OK <510850.1713671846@s54.coreserver.jp> -ERR authorization first
220 s54.coreserver.jp ESMTP 250-s54.coreserver.jp 250-STARTTLS 250-PIPELINING 250-8BITMIME 250-AUTH LOGIN PLAIN CRAM-MD5 250 SIZE 2048000000
220 s54.coreserver.jp ESMTP 250-s54.coreserver.jp 250-STARTTLS 250-PIPELINING 250-8BITMIME 250-AUTH LOGIN PLAIN CRAM-MD5 250 SIZE 2048000000