Verified Confidence: high
Primary source found; it says the same thing, the scope matches, and it is reasonably current.
Safe rephrasing
Yahoo requires bulk senders to honor unsubscribes within 2 days, far faster than CAN-SPAM's 10 business days.
What the source says
Have a clearly visible unsubscribe link in the email body - this may direct to a preference page Honor unsubscribes within 2 days Keep spam complaint rates low Keep your spam rate below 0.3%
Yahoo Sender Hub — Sender Best Practices
- Commonly cited as
- "Unsubscribes must be processed in 2 days"
- 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 checked Oct. 16, 2026
- Last checked
- Method & sample
- Yahoo's published requirements for bulk senders.
- Drift between quote and source
- Stricter than CAN-SPAM's 10 business days
- Interest
- Yahoo sets the rules for its own mail service.