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Yahoo Sender Hub

How to use Yahoo Complaint Feedback Loop

Enroll the correct DKIM domain, process ARF reports and connect Yahoo complaints to suppression.

By Pavel IvanishchevUpdated 2 min read

Understand the identity Yahoo uses

Yahoo’s Complaint Feedback Loop is a domain-based service for DKIM-signed email. Yahoo uses the DKIM d= domain to determine the sender and to decide whether the message belongs to an enrolled domain.

If your ESP signs with a platform domain as well as your own domain, ask which DKIM identity is enrolled and how complaint reports are associated with your account.

Enroll the domain

The published flow is to create a Sender profile, add and verify the domain, then enroll the domain in the CFL. The reporting address can be any address you control, and Yahoo requires a one-time verification of that address.

Yahoo no longer offers IP or CIDR-based CFL reporting. If a subdomain signs with its own DKIM d= value, make sure the identity you expect to receive reports for is enrolled.

Process ARF reports

When a recipient marks an enrolled message as spam, Yahoo sends an Abuse Reporting Format report to the enrolled address. The report contains the original message headers and machine-readable metadata.

Use the report to suppress the recipient from the affected subscription and to identify the message stream, campaign and signup source that created the complaint. Do not use it as a reason to resend another message asking whether the person really meant to complain.

Include AOL complaints in the workflow

Yahoo’s FAQ says CFL reports cover Yahoo-hosted domains, including AOL. Keep the recipient mailbox brand in your analytics if it is useful, but do not create a separate complaint-processing mechanism for AOL unless your own infrastructure requires it.

For many senders the ESP already handles CFL enrollment and suppression. Verify that first so you do not create a second source of truth.

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