mailX by mailwarm
Email deliverability toolkit for humans and AI agents
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mailX is now inside ChatGPT: ask it why your emails go to spam

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Hey makers πŸ‘‹

"Why are my emails going to spam?" is a question people now ask ChatGPT instead of Google. Until now, the answer was a generic checklist, because ChatGPT can't read your DNS.

This week, mailX went live inside ChatGPT, as a plugin approved by OpenAI. Ask the question with your domain, and ChatGPT runs a live check through mailX:

  • SPF, DKIM, DMARC and BIMI, with the exact record found

  • Your DKIM selector, detected for you (we test 25 common ones)

  • Blacklists: Spamhaus, Barracuda, SpamCop and more

  • The fixes, in priority order

  • SPF and DMARC records ready to paste

Read-only: it never sends an email, never touches your DNS and never asks for a password. No account. Free.

πŸ‘‰

πŸŽ₯ 2-minute demo, run on our own domain:

Two things I'd love your input on:

  1. Run it on your own domain and tell me what it found. I'm curious which issue comes up most.

  2. What's the next check you'd want your AI assistant to run on your email setup? That's what we build next.

Side note for builders: OpenAI approved the plugin about 6 hours after we submitted it. If you're shipping a ChatGPT plugin or an MCP server, ask me anything about the review. Happy to share what we changed before submitting.

Thami

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The read-only approach is a good choice. I’d feel more comfortable running a check when it doesn’t need my password or access to change DNS records

Β The ability to generate records ready to paste could save a lot of time. I’d still want clear guidance on where to add them without breaking an existing setup

Could the DKIM check distinguish no match among the 25 selectors from DKIM being missing? Letting someone enter their selector would give them a next step without suggesting they change a working setup.