Spam Fighting Techniques
- block domains or even top-level domains "known" to be large senders of spam
- require users to request permission to send you e-mail (eg Earthlink spam blocker)
- Charge for e-mail sent
- opt-in for commercial email
- domain authentication
- bounties
- the "goodmail" approach
- bond with escrow agencies
huge paper on this subject
| Technique Name
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Pros
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Cons
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| Block domains of "known" spammers
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- Gets rid of a large amount of spam
- Low chance of blocking legitimate email (sbl-faq)
- Mechanism to allow legitimate sources to know they were blocked (sbl-faq)
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things
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