EmbedCopy the following HTML iframe code to your website:<iframe src="https://www.validify.ai/glossary/soft-bounce/?embed=1&length=X" style="width:100%;height:300px;border:solid 1px black;" class="cm-embedded-content"></iframe>Copy to clipboardA temporary delivery failure (e.g., mailbox full, server down, rate limiting), often indicated by 4xx SMTP codes. Messages may be retried later.
