邮件信息：
site:Github.com smtp
site:Github.com smtp @qq.com
site:Github.com smtp @126.com
site:Github.com smtp password
site:Github.com String password smtp
……
结合厂商域名，灵活运用：
site:Github.com smtp @厂商域名
指定邮箱类型：
site:Github.com smtp admin@%.com (webmaster、root、help、service,And so on..)
site:Github.com smtp @%.edu.cn 学院
site:Github.com smtp @%.gov.cn 政府
搜索XX公司内部信息：
site:Github.com corp.xx.com 或者 xx-inc.com
数据库信息：
site:Github.com sa password
site:Github.com root password
site:Github.com User ID='sa';Password
……
SVN信息：
site:Github.com svn
site:Github.com svn username
site:Github.com svn password
site:Github.com svn username password
……
site:Github.com ftp
site:Github.com ftp user password
