# Deliverlens > Deliverlens provides email testing tools and practical resources for understanding authentication, sender reputation and deliverability. It is built and operated by Fintrate LTD. The website contains public learning resources and diagnostic tool pages. Each tool page describes its current availability and scope. Search the learning resources by topic or question. ## Product - [Deliverlens](https://www.deliverlens.com/en): Product overview and message testing. - [Email tools](https://www.deliverlens.com/en/tools): Email verification, SPF, DKIM, DMARC, BIMI, blocklist and inbox-placement tool pages. - [Pricing](https://www.deliverlens.com/en/pricing): API usage calculator and current pricing options. - [How it works](https://www.deliverlens.com/en/how-it-works): The email-testing workflow and how to use its results. ## Learning resources - [FAQs](https://www.deliverlens.com/en/faq): Browse published content or use the topic search on this page. - [Academy tutorials](https://www.deliverlens.com/en/academy): Browse published content or use the topic search on this page. - [Troubleshooting help](https://www.deliverlens.com/en/help): Browse published content or use the topic search on this page. - [Practical guides](https://www.deliverlens.com/en/guides): Browse published content or use the topic search on this page. - [Technical articles](https://www.deliverlens.com/en/articles): Browse published content or use the topic search on this page. - [Blog posts](https://www.deliverlens.com/en/blog): Browse published content or use the topic search on this page. ## Agent interfaces - [For AI agents](https://www.deliverlens.com/agents): Connect Cursor, Claude Code and compatible MCP clients to Deliverlens. - [Agent setup guide](https://www.deliverlens.com/agents.md): Authentication, configuration, diagnostic workflows and retries. - [OpenAPI reference](https://www.deliverlens.com/openapi.json): The customer diagnostic REST contracts used by MCP. - [Knowledge search skill](https://www.deliverlens.com/agents/knowledge-search.md): Instructions for using the public WebMCP search forms. - [ARD manifest](https://www.deliverlens.com/agents/ard.json): Discovery entry for the knowledge search skill. ## Optional - [About Deliverlens](https://www.deliverlens.com/en/about): Product and company information. - [Editorial policy](https://www.deliverlens.com/en/editorial-policy): How learning content is prepared and maintained. - [Terms of Service](https://www.deliverlens.com/en/terms): Conditions of service use. - [Privacy Policy](https://www.deliverlens.com/en/privacy): Personal-data practices. - [Cookie Policy](https://www.deliverlens.com/en/cookies): Essential storage and optional preferences and analytics.