摘要
针对远程教育中电子邮件安全提出三种方案和医治电子邮件的三大“顽症”的具体措施
We gave three ways for E-mail's safty in distance education and the ways to cure the three serious illness.We studied the mathod and the main cause using digital signature to keep the E-mail program.
出处
《河南教育学院学报（自然科学版）》
2002年第1期67-69,共3页
Journal of Henan Institute of Education(Natural Science Edition)
