EmbedCopy the following HTML iframe code to your website:<iframe src="https://www.validify.ai/glossary/feedback-loop-fbl-complaint-feedback-loop-cfl/?embed=1&length=X" style="width:100%;height:300px;border:solid 1px black;" class="cm-embedded-content"></iframe>Copy to clipboard« Back to Glossary IndexA program where mailbox providers report user spam complaints back to senders so they can suppress complainers and reduce abuse. « Back to Glossary Index
