套件：hashcash（1.21-2）

postage payment scheme for email based on hash calculations

Hash cash is a payment scheme that uses CPU cycles as the form of payment. This can be used as a counter-measure for junk email (spam) by using the hash cash token as a proof of payment for each email that you sent.

標籤: 實做語言: C, 電子郵件: 過濾器, 角色: 程式, 範圍: scope::application, works-with::mail

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