Where can I find a list of domains using the Yahoo Feedback Loop?

Key findings

• No official list: Yahoo does not publicly provide a complete list of all domains leveraging its feedback loop, making it difficult to ascertain every included domain with 100% accuracy.
• Known domains: Common domains like yahoo.com, aol.com, verizon.net, att.net, sbcglobal.net, rocketmail.com, ymail.com, and rogers.com are widely recognized as being part of the Yahoo ecosystem and thus covered by the YFL.
• MX record approach: A common, albeit not exhaustive, method to identify domains using the YFL is to examine domains that have their Mail Exchange (MX) records pointing to Yahoo servers.
• DKIM-based FBLs: The YFL is DKIM-based, meaning complaints can sometimes be attributed to the signing domain (DKIM d=), even if the recipient email address is not a direct Yahoo domain, due to forwarding or other configurations. More details on this can be found in our guide on which ISPs use DKIM domains for FBLs.
• Sender Hub relevance: Setting up the Yahoo Complaint Feedback Loop through the Yahoo Sender Hub is a standard practice for email senders. This process is detailed further on the Mailercloud Yahoo Feedback Loop page.

Key considerations

• Importance for reputation: Regardless of a complete list, enrolling and acting on YFL complaints is crucial for maintaining a good sender reputation and ensuring email deliverability to Yahoo and associated domains. This is also key for Yahoo Complaint Feedback Loop reliability.
• Client education: Some clients may question the necessity of FBLs, especially if their audience is primarily B2B. It is essential to educate them on the deliverability implications, even for a small percentage of consumer contacts.
• Best effort approach: Since an exact list is unavailable, the best strategy is to monitor complaints from known Yahoo properties and be prepared for potential complaints from other domains that resolve to Yahoo mail servers.
• Automatic unsubscribes: Implementing an automated process to handle FBL complaints and remove affected users from mailing lists is vital to prevent future issues. This is a core aspect of how ESPs process FBL emails.

Key opinions

• Client pushback is common: Some clients express security concerns or argue against implementing FBL mechanisms if they perceive their list to have minimal Yahoo addresses.
• Necessity of FBL: Marketers generally agree that processing FBL complaints, regardless of the exact domain list, is a fundamental requirement for maintaining a healthy sending reputation and avoiding blacklists or blocklists. This is a key part of using Yahoo Complaint Feedback Loop.
• B2B vs B2C lists: For primarily B2B senders, the argument that consumer domains are a small percentage of their list can lead to underestimating the importance of FBLs. However, even a small number of complaints can impact overall deliverability.
• Indirect FBLs: Instances where a Yahoo FBL is received for a Gmail address (due to forwarding) highlight the complexity and the reality that not all FBLs will directly map to a Yahoo domain.

Key considerations

• Educational tools: Provide clear resources on what FBLs are and their significance. For example, understanding what Yahoo Complaint Feedback Loop is can be beneficial.
• Risk assessment: Help clients understand the potential damage to their sending reputation and deliverability if FBL complaints are ignored, even if they don't have a large Yahoo audience.
• Prioritize compliance: Emphasize that enrolling in FBL programs is a win-win for deliverability. While some clients might push back, it's generally in their best interest to comply.
• Manage client expectations: If a client strongly objects to FBL implementation, ensure they are aware of the risks. Sometimes, accepting a client's bad decisions is part of the consulting role, after providing all necessary information.

Key opinions

• MX record insights: Experts recommend looking at any domain that MXs (Mail Exchange records) to Yahoo as a simple, though incomplete, way to identify domains participating in the YFL.
• Lack of comprehensive list: It is widely acknowledged that Yahoo does not publish a full list, so any efforts to categorize such domains will be best effort at best.
• Beyond Yahoo domains: Complaints may arise from domains not directly handled by Yahoo due to the DKIM-based FBL mechanism, where emails forwarded from other providers to Yahoo accounts can trigger complaints. This is important to understand when evaluating where Yahoo complaint feedback loop reports get sent.
• Thousands of domains: Historically, Yahoo has allowed email addresses on thousands of domains, many of which may still be active and contribute to FBLs.
• FBL as common practice: It is common practice and effectively required to log and unsubscribe based on FBL complaints to prevent damage to sending reputation and subsequent deliverability issues, irrespective of a public list of domains.

Key considerations

• Consultative approach: While it's important to provide clients with the correct information and advice regarding FBLs, consultants must recognize that clients are ultimately allowed to make bad decisions.
• Proactive enrollment: Enrolling for all complaint feedback loop mechanisms is a win-win for deliverability and should be encouraged, as highlighted in which inbox providers offer feedback loops.
• Double DKIM signing: If an ESP wants to track complaints for a client who opts out of the YFL, they can double DKIM sign to collect the necessary information.
• Fear of the unknown: Sometimes, resistance to FBLs stems from a fear of the unknown, making clear communication about the benefits essential.

Key findings

• Direct access: Documentation often points senders directly to the Yahoo Feedback Loop page for sign-up, emphasizing that it's a self-service process through their platform.
• Required information: Senders are required to provide details such as company information, contact email for FBL reports, and DKIM domains during the registration process for the Yahoo Sender Hub.
• Complaint data: The primary purpose of the YFL is to provide specific data on emails marked as spam, which allows senders to identify and suppress problematic recipients efficiently.
• Automated unsubscribes: FBLs are designed to automatically record complaints as unsubscribes, streamlining the process of managing suppression lists and improving email deliverability.

Key considerations

• Consistency with best practices: Documentation reinforces that enrolling in feedback loops aligns with general email best practices for maintaining sender reputation and avoiding blacklists.
• Holistic approach: While this page focuses on Yahoo, understanding how Gmail's Feedback Loop works is also crucial for overall deliverability.
• Timely processing: The effectiveness of the FBL relies on prompt processing of complaint data to remove users, preventing further spam reports and potential blocklisting of IP addresses or domains.
• DNS records: Some documentation may also touch on the necessary DNS records required for the Yahoo Complaint Feedback Loop, such as DKIM, which are integral to its operation. More information on this can be found regarding DNS records for the new Yahoo CFL.