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
- Yahoo Sender Hub — Best Practices (primary)
Machine-readable: /api/claims/yahoo-sender-requirements-0-3-percent-one-click-unsubscribe.json · Last checked 2026-10-16