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- ISIPP Accreditation Database (IADB) http://www.isipp.com/email-accreditation/
- Mailspike http://www.mailspike.net/
- Sender Score Certified & Sender Score Safe List http://www.senderscorecertified.com/ (formerly Ironport Bonded Sender & Habeas Safelist)
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- URIBL http://www.uribl.com/
- DNSWL http://www.dnswl.org/
- Spamhaus http://www.spamhaus.org/
- SURBL http://www.surbl.org/
Q: This documentation doesn't seem to cover how to configure DNS-Blocklists. It says "Support for these is built-in" but I can't believe that all free BL's is called each time a mail is beeing checked. There must be a way to configure which to use.
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