How Imaginet blocks spam

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Imaginet uses a bespoke spam filtering system aimed at providing the best possible spam filtering with near-zero false-positives. Techniques used include:

- URIBLs and RBLs: internal, Invaluement, SORBS, GBUDB, Whitelist ZA

- Virus and spam filtering with ClamAV

- Checking of mail against a 'fuzzy' checksum database generated from mail received by spamtraps

- Advanced bayesian statistics

- Global and customer-operated address blacklists & whitelists

- Strict enforcement of SPF

Spam-filtered mail is delivered to a Spam Quarantine or, if there is enough of a consensus between the systems we employ, discarded.

You can help us improve accuracy by reporting misclassified mail to us, please see How to report spam to Imaginet

How you can prevent spam

How you can blacklist email addresses

What does Imaginet consider spam abuse

How to report spam to Imaginet

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