The AI tools directory — Find the Best AI Tools

mailX

Unknown
Free email deliverability toolkit that checks SPF, DKIM, DMARC, MX config, and blacklist status in seconds. Exposes an MCP server and JSON API for AI agents and engineers.
Visit mailX →

About Nextool.ai

Nextool.ai is the largest curated directory of AI tools — 10,000+ tools across 163+ categories, free forever.

Browse all AI tools · Browse by category