mailX by mailwarm
Email deliverability toolkit for humans and AI agents
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Your emails go to spam. mailX shows you why, and how to fix it in seconds with clear answers and exact steps. Built for humans and AI agents. API and MCP ready.
PH · launched May 20, 2026 · 597 upvotes (top 4%) · 3 views
Niche: email marketing and deliverability tools · 107 launches, 6 in the last 7 days ▼ -40% · Explore this niche →
Category and tags
- Horizontal
- Communication
- B2B
- AI feature
- Commercial product
- Email Marketing
- Artificial Intelligence
Visit website ↗ Source listing ↗
More like this: all 107 launches in email marketing and deliverability tools →
Could you build this?
Yes Checking email deliverability involves straightforward DNS lookups (SPF, DKIM, DMARC), querying public IP blacklists, and serving the diagnostic data via a web UI, API, or MCP server.
Competitors
Other products that read as similar to this one : 222 launches clear the similarity bar, closest 8 shown.
Attention rank: #22 of 223 (itself plus its competitors, highest first, normalized so YC and Product Hunt are compared fairly).
Launched 194 days after the earliest competitor.
- mailX by mailwarm - Instant deliverability diagnostics for AI agents & humans. · yc · 2026-05-18 · 35 upvotes · similarity 0.87
- MailAdept by mailwarm · ph · 2026-07-01 · 287 upvotes · similarity 0.58
- Mailwarm 2.0 · ph · 2026-06-04 · 680 upvotes · similarity 0.58
- InboxMail · ph · 2026-11-02 · 2 upvotes · similarity 0.49
- Atomic Mail Agentic · ph · 2026-06-21 · 268 upvotes · similarity 0.49
- EmailWarmup · ph · 2026-09-15 · 1 upvotes · similarity 0.49
- Agentboxd · ph · 2026-09-29 · 1 upvotes · similarity 0.48
- Agent.email · hn · 2026-05-21 · 99 upvotes · similarity 0.48
The niche, labels, vibe code rating and competitor comparison on this page are analysis by Nicheloom. If you use them, please credit nicheloom.com. How you may use our data.