Proper Way to Configure a Domain which never sends emails
Ignacio García
yo at ignasi.com
Tue Aug 20 06:37:51 UTC 2019
El 20/08/2019 a las 2:20, Kevin Darcy escribió:
> DNSBL is by IP, true, but there are other forms of "SMTP blacklist"
> that are by domain. Getting one's domain on one or more of those lists
> would help avoid the impact of someone trying to use the domain to
> spoof malicious email. Sure, you could wait until *after* the damage
> is done, and then the domain might end up on one or more blacklists,
> but I was just musing, half humorously, on whether one could be
> proactive, by volunteering to be on the list(s).
Yes, that would be an original way to solve it :)
> The OP specifically said he wanted to *receive* mail, so I don't
> understand why people keep recommending a null MX.
Yes. Null MX wouldn't help for this specific case.
> I've concurred that a "-all" SPF will help.
Well, thank you all so much for your kind support.
Ignacio
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