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PennyPost 1.5.4 Reinício necessário
por jonasbits
This extension makes it very easy to generate and attach stamps to outgoing mail. It also automatically detects and verifies stamps on incoming emails. The MBound algorithm requires a 16MB fixed table to work, HashCash is more CPU intense.
![[Aviso]](https://addons.thunderbird.net/static/img/developers/test-warning.png?b=58a99cbb-667a0970)
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PennyPost is a Thunderbird extensions that makes it possible to render spam obsolete. When the email you really care about includes a stamp with "proof-of-work", spam is easily disregarded. Every recipient in an email get a unique stamp valid for a short period, this makes sending spam very costly.
- The extension needs to be configured immediately after installation before it can be used (Java is required).
- The MBound algorithm requires a 16MB fixed table to work and is more memory intense.
- HashCash is more CPU intense and is the algorithm of choice for Bitcoin
