CVE:CVE-2006-3216
CNNVD:CNNVD-200606-469
SMTP 的Clearswift MAILsweeper和Exchange 4.3.20之前版本的MAILsweeper使远程攻击者借助(1) 从所接收标头获得的DNS反向查询结果中的非ASCII字符， 导致接收器服务停止, 以及 (2) 与畸形消息有关的未明向量，产生可阻止安全服务处理更多消息的"不可预测的行为"，来造成拒绝服务。
solution:Upgrade clearswift mailsweeper_for_exchange to a higher version than 4.3.19,and avoid the version (,4.3.19]; Upgrade clearswift mailsweeper_for_smtp to a higher version than 4.3.19,and avoid the version (,4.3.19]