# ESP By integrating with platforms such as **Mailchimp, SendGrid, ActiveCampaign, and other email marketing tools**, you can automatically verify email addresses before sending campaigns. This helps reduce bounce rates, protect sender reputation, and improve overall email deliverability. --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://docs.clearout.io/integrations/esp.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.