CVE:CVE-2000-0570
CNNVD:CNNVD-200006-109
FirstClass Internet Services server 5.770和其他6.1之前的版本存在漏洞。远程攻击者通过发送含有超长To：邮件标题的电子邮件导致拒绝服务。
solution:Upgrade centrinity firstclass_intranet_server to a higher version than 5.770,and avoid the version 5.770