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コメント (6)

rft5分前
Article is missing a note on the existence of MX records for the domains. Sure, you can easily have a send-only domain without an MX record, but the common case is likely to setup both send and receive capability. It would be interesting to have that number included as domains without MX and DMARC might just not be configured for email at all. Worst case the 45% of domains without DMARC are simply not relevant for email and thus not configured at all. I would find "x% of domains with configured email don't enforce DMARC" more interesting.
talkingtab9分前
Email has been turned into a by-the-corporation, for-the-corporation service. Corporations need DMARC so they can control email and the ability to spam. The spam I cannot block is spam from Google.

If you decide to think about this, you will quickly realize that email is f*ked and needs to be forked. Perhaps we need a Community Email Initiative that blocks corporations and only allows Community members.

Trust is the one thing you can't buy on the Corporate Internet.

I am sure many people will be offended and down vote this comment because they cannot conceptualize an internet without Corporations.

nubinetwork12分前
I'll set up DMARC after I get DKIM working... migrating my homelab has been taking forever...
tgv41分前
The article speaks about DMARC monitoring, but not about "writing" it. So many orgs are too small to have someone paying attention of these things. Where I work, the CTO used to manage the DNS, but with very little understanding of what it all means. It was just copy and paste. And yes, it also says p=none. Probably because it was in the example. It's like setting up a website for your company, and picking some wordpress instance: how are you supposed to know the risks? It's just too much.
jwr22分前
I really think we should be solving a much bigger problem of the major email providers not providing an automated way of handling abuse and not caring about abuse reports at all. Most of my spam comes from the three major email providers and at this point I gave up even trying to send abuse reports because they just get ignored.

The big companies do not have to care because nobody will block Google, Microsoft or Amazon. They are too big to fail.

Spoofing a From field is an insignificant problem in comparison.

smartmic45分前
I am self-hosting my (secondary) email and have only implemented SPF and DKIM. This works fine on a practical level for me. What would be the benefit of setting up DMARC on top?