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- URN to cite this document:
- urn:nbn:de:bvb:355-epub-213008
- DOI to cite this document:
- 10.5283/epub.21300
Abstract
Spam e-mails have become a serious technological and economic problem. So far we have been reasonably able to resist spam e-mails and use the Internet for regular communication by deploying complementary anti-spam approaches. However, if we are to avert the danger of losing the Internet email service as a valuable, free, and worldwide medium of open communication, anti-spam activities should be ...

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