All claims

Yahoo requires bulk senders to use SPF, DKIM and DMARC, support one-click unsubscribe and keep spam rates below 0.3%

Verified Confidence: high

Primary source found; it says the same thing, the scope matches, and it is reasonably current.

Commonly cited as
"What are Yahoo's email sender requirements?"
True origin
Yahoo Sender Hub — Sender Best Practices
Type
Reference fact: A frequently needed number or rule taken directly from a primary source (e.g. Pew, Census, IAB/PwC, FTC), with its as-of date.
Year
2024
Data as of
Page read on 2026-10-16
Last checked
What the source says
Keep your spam rate below 0.3% ... Requirements for Bulk Senders: Authenticate your mail Implement both SPF & DKIM Publish a valid DMARC policy with at least p=none ... Implement a functioning list-unsubscribe header, which supports one-click unsubscribe for marketing and subscribed messages
Method & sample
Official mailbox-provider policy.
Drift between quote and source
  • None
Interest
Yahoo operates Yahoo Mail and AOL Mail.

Safe rephrasing

Yahoo's sender guidelines require bulk senders to authenticate with SPF, DKIM and DMARC, support one-click unsubscribe, and keep spam complaints below 0.3%.

Sources we opened

Machine-readable: /api/claims/yahoo-sender-requirements-0-3-percent-one-click-unsubscribe.json · Last checked 2026-10-16

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