Difference between revisions of "How Imaginet blocks spam"
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- [http://en.wikipedia.org/wiki/DNSBL URIBLs and RBLs]: internal, [http://sorbs.net SORBS], [http://www.gbudb.com/truncate/ GBUDB], [http://wl.org.za/ Whitelist ZA] | - [http://en.wikipedia.org/wiki/DNSBL URIBLs and RBLs]: internal, [http://sorbs.net SORBS], [http://www.gbudb.com/truncate/ GBUDB], [http://wl.org.za/ Whitelist ZA] | ||
| − | - Virus filtering with [http://www.clamav.net/lang/en/ ClamAV] | + | - Virus and [http://sanesecurity.com/ spam] filtering with [http://www.clamav.net/lang/en/ ClamAV] |
- Global and [http://my.imaginet.co.za customer-operated] address blacklists & whitelists | - Global and [http://my.imaginet.co.za customer-operated] address blacklists & whitelists | ||
- Strict enforcement of [http://en.wikipedia.org/wiki/Sender_Policy_Framework SPF] | - Strict enforcement of [http://en.wikipedia.org/wiki/Sender_Policy_Framework SPF] | ||
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| + | 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]] | You can help us improve accuracy by reporting misclassified mail to us, please see [[How to report spam to Imaginet]] | ||
Revision as of 13:53, 24 March 2014
Imaginet uses a bespoke spam filtering system aimed at providing the best possible spam filtering with near-zero false-positives. Techniques used include:
- Advanced bayesian statistics
- URIBLs and RBLs: internal, SORBS, GBUDB, Whitelist ZA
- Virus and spam filtering with ClamAV
- 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 blacklist email addresses
