CVE:CVE-1999-1504
CNNVD:CNNVD-199804-019
Stalker Internet Mail Server 1.6版本存在漏洞。远程攻击者可以通过超长的HELO命令导致服务拒绝（崩溃）。
solution:Upgrade stalker stalker_internet_mail_server to a higher version than 1.6,and avoid the version 1.6