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Yahoo / AOL documentation
Sender Hub, authentication, complaints and delivery requirements.
Sender Hub, authentication, complaints and delivery requirements.
Find a guide by task
Start and configure
Yahoo and AOL deliverability: a practical starting pointIdentify whether the problem is acceptance, spam placement, complaints or sender configuration before changing your program.Yahoo sender requirements and recommendationsTurn Yahoo’s current sender requirements into a practical checklist for ordinary and bulk senders.How to check SPF, DKIM and DMARC for YahooVerify the authentication identities Yahoo evaluates on real messages and check the additional requirements that apply to bulk senders.How to implement Yahoo unsubscribe requirementsCheck List-Unsubscribe headers, the visible body link and the suppression workflow Yahoo expects for marketing and subscribed mail.
Monitor complaints and delivery
How to use Yahoo Sender Hub InsightsRead Yahoo’s aggregated delivery signals for verified DKIM domains without confusing them with a complete inbox-placement report.How to use Yahoo Complaint Feedback LoopEnroll the correct DKIM domain, process ARF reports and connect Yahoo complaints to suppression.Yahoo spam complaint rate: how to read the 0.3% thresholdUnderstand Yahoo’s complaint-rate denominator, the 0.3% requirement and what to investigate when the rate rises.Yahoo Email Deliverability and Performance Feeds: what they containUnderstand Yahoo’s advanced Placement and Campaign Performance feeds, their scope and how they differ from normal Sender Hub reporting.
Investigate and recover
Yahoo SMTP error codes: how to investigate delivery failuresSeparate temporary deferrals from permanent rejections and use Yahoo’s error categories to find the next troubleshooting step.How to recover Yahoo and AOL deliverabilityStabilize the affected stream, repair the confirmed cause and use fresh Yahoo signals before expanding sending again.
Branding and message formats
Yahoo BIMI: requirements and troubleshootingUnderstand when Yahoo displays a BIMI logo and which DMARC, SVG, volume and reputation conditions still matter.Yahoo AMP for Email: sender requirementsPrepare, authenticate and register production AMP email for Yahoo while keeping a normal HTML or text fallback.