* Hanno Böck via mailop:

> I wonder if anyone on this list has any contact with the operators of
> the spfbl.net DNSBL.

For starters, this seems like weird choice of name to me. What's an "SPF
BL" supposed to be, anyway?

> I observed that some of our IPv6 IPs get listed by spfbl.net. Here's
> an example: https://matrix.spfbl.net/2a01:4f8:271:19d3:2:0:0:2

Listing a /128 address, and charging 2 USD for delisting? That's one
hell of a make-money-fast scheme. ;-) If it were my decision, I'd ignore
spfbl.net wholesale, and consider their delisting process a scam to
boot.

> From the description there, it appears that they don't like that the
> reverse lookup domain does not have an e-mail contact in the whois data.

I wonder, would spfbl.net flag all .de domains registered to inatural
persons "non-compliant"? DeNIC does not hand out detailed owner data for
those domains, except when required by law. Some self-styled BL operator
can't just waltz in and demand information.

In any case, I have not seen or heard of customers of mine using
spfbl.net for anything, for whatever that's worth to you.

-Ralph
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