Re: FYI: NANOG Mailing List IPV4 hosts are in Spamhaus RBL

[Michael Rathbun via NANOG <nanog () lists nanog org>]

On Sun, 10 Aug 2025 23:44:50 -0400, Bryan Fields via NANOG
<nanog () lists nanog org> wrote:

> This is being looked at.  Unsure why (and they don't give much info), 
> but lists.nanog.org is only used for the list, and doesn't relay 
> non-list emails.

I work in the email deliverability field (for honest senders); the SBL's
primary design intent was catching "snowshoe" operations, that spread the
spamload over multiple IP ranges and/or domains.  None of that behavior can
be associated with this IP; however, we have some (rare) occasions when one
of our clients, sending confirmed opt-in email from a single domain and
netblock winds up listed.  Normally Spamhaus is quite responsive in
resolving these issues.

> Please ensure you send an email for stuff like this to the 
> admins () nanog org or the List-owner nanog-owner () lists nanog org.  

I've noted this advice, thanks.

mdr
-- 
         "There are no laws here, only agreements."  
                -- Masahiko  (Idoru)

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