Tag: irtf
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New RFC describes best practices for running DNS-based lists
DNSBL users advised to avoid those lists that charge for delisting. A new RFC document has been published that describes the best operational practices for the use of DNS-based lists in email filters. DNS-based lists (somewhat confusingly called ‘DNSBLs’ in the document) include blacklists and whitelists of IP addresses, but also URIBLs and geographical-based lists.…