php发送邮件出错？？

php发送邮件出错？？
以下是我的命令不知道为什么是Connection closed by foreign host[root@svr3 ~]# telnet smtp.gmail.com 587
Trying 72.14.213.109...
Connected to smtp.gmail.com (72.14.213.109).
Escape character is '^]'.
220 mx.google.com ESMTP b11sm10094201wff.9
HELO localhost
250 mx.google.com at your service
STARTTLS
220 2.0.0 Ready to start TLS
AUTH LOGIN bWFpbGxlYXJAZ21haWwuY29t
Connection closed by foreign host.