Feedback loops are an inter-organizational form of feedback by which a mailbox provider (MP) forwards the complaints originating from their users to the sender's organizations. MPs can receive users' complaints by placing report spam buttons on their webmail pages, or in their email client, or via help desks. The message sender's organization, often an email service provider, has to come to an agreement with each MP from which they want to collect users' complaints.
Purpose
Feedback loops (FBLs) inform senders, especially email marketers, when recipients mark their emails as spam or junk. This is crucial for maintaining good sending practices and email list hygiene.
How It Works
When a recipient marks an email as spam, the ISP or email service provider records this action. If the sender is enrolled in that ISP's FBL service, the ISP then sends a report (usually in the form of an email) back to the sender. This report typically includes a copy of the complained-about email or relevant identifiers.
Benefits for Senders
- Maintains cleaner email list: Allows senders to identify and remove recipients who are not interested in their emails or who consider their emails as spam.
- Adjusts email content: Helps in adjusting email content and strategies to reduce spam complaints.
- Maintains sender reputation: Assists in maintaining a good sender reputation, which is crucial for email deliverability.
Sender Reputation
High rates of spam complaints can damage a sender's reputation, leading to their emails being blocked or filtered into junk folders. FBLs help senders to proactively manage their reputation by providing feedback on recipient complaints.
Enrollment
Senders typically need to enroll in FBL programs offered by individual ISPs or email service providers. The enrollment process often involves proving ownership of the sending domain and setting up a specific email address to receive the feedback.
Limitations
- Not all ISPs offer FBL services: Not all ISPs or email service providers offer FBL services.
- Variation in FBL reports: The format and details provided in FBL reports can vary between providers.
