[email protected] wrote:
Any spammer stupid enough to try to send his spew forging this host name as the sender address will also face an SPF-RR "v=spf1 -all" (while those idiots still resolving ONLY TXT-RRs for SPF will get "v=spf1 +all").
Some <ahem> "idiots" are still using DNS infrastructure that does not support the formal SPF RR type.
The current stock BIND package on RHEL5 (and any of the source-rebuild derivatives), for instance...
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