·防DOS攻击和安全保护(Denial of Service and Security Protection)
·速率控制(Rate Control)
·IP地址信誉评价(IP Reputation Analysis)
·发送者验证(Sender Authentication)
·接收者认证(Recipient Verification)
·病毒检测(Virus Check)
·策略控制(用户特殊规则)(Policy [User-specified rules])
·垃圾邮件指纹检测(Spam Fingerprint Check)
·实时意图分析(Intent Analysis)
·图象分析(Image Analysis)
·贝叶斯过滤分析(Bayesian Analysis)
·基于规则的评分技术(Rule-based Scoring)