Currently , the army is developping military network based oa project with effort among which military email transferring system is an essential application module . this paper proposed a data model of military email transferring as well as detailed design scheme according to the potential threat in email service system , practical condition of current military network and official model as well as document transferring process . it discussed the security requirement of military email transferring system in detail as well as analyzed and design relevent data model , mail exchange protocol and application requirement of cryptogram management 該文針對(duì)電子郵件服務(wù)系統(tǒng)中存在的安全隱患,基于對(duì)目前國內(nèi)外電子郵件安全技術(shù)的分析研究,立足于現(xiàn)有軍事計(jì)算機(jī)網(wǎng)絡(luò)的實(shí)際現(xiàn)狀,根據(jù)目前軍隊(duì)的辦公模式、公文傳輸流程,提出了一種適合于軍隊(duì)辦公自動(dòng)化中軍用電子郵件傳輸?shù)臄?shù)據(jù)模型及具體的設(shè)計(jì)方案,詳細(xì)討論了軍用電子郵件傳輸系統(tǒng)的安全服務(wù)需求,對(duì)相關(guān)的數(shù)據(jù)模型、郵件交換協(xié)議、密碼管理的應(yīng)用需求等進(jìn)行了詳細(xì)的分析和設(shè)計(jì)。