SPF

Assess

Techniques

A DNS-based standard that lists which servers may send email for a domain.

Why it's here

Placed in Assess: 3 article(s) of evidence from 2 source(s), led by product launches, with 0 in the last 30 days. Confidence 46%.

7Hacker News·8/17/2026research
Self-hosted email keeps declining
Ten years of DNS measurements show that self-hosted email on popular domains has continued to decline, while Google Workspace and Microsoft 365 now handle a large share of inbound mail. The data also suggests DMARC adoption has plateaued, with many domains publishing only non-enforcing policies such as p=none.
4Hacker News·8/3/2026security
What DMARC Protects and What It Does Not
The article explains that DMARC is a narrow email authentication standard: it verifies whether the domain shown in the From address authorized the message through SPF or DKIM. It does not stop all phishing or spam, and its effectiveness depends on correct alignment and proper use of the underlying email authentication records.
6Cloudflare Blog·6/16/2026product_launch
Cloudflare DMARC Management becomes generally available
Cloudflare says its DMARC Management product is now generally available with a redesigned dashboard to help customers reach full DMARC enforcement more easily. The update focuses on improving email authentication visibility and simplifying the path to stronger protection against spoofing and deliverability issues.