Overview
mailX by mailwarm is a free, instant email deliverability toolkit designed for humans and AI agents. It analyzes DNS records, SPF, DKIM, DMARC, MX configuration, and blacklist status to identify why emails go to spam and provides clear, actionable fixes. It is API and MCP ready, making it ideal for developers and marketers who need quick diagnostics without any signup.
CHILI GraFx is a creative automation platform for visual content production, targeting retail, shopper marketing, and brand teams. It uses Smart Templates to enable self-service, high-volume creation of personalized, on-brand graphical assets across print, digital, and video channels. Its API-first approach allows seamless integration with DAM, PIM, CRM, and other enterprise systems.
Feature Comparison
| Feature | mailX by mailwarm | CHILI GraFx |
|---|---|---|
| Primary Function | Email deliverability analysis and DNS diagnostics | Creative automation for visual content production |
| Target Users | Marketers, sales teams, developers, founders, agencies | Retailers, brands, agencies, marketing operations teams |
| Core Technology | Live DNS lookup, SPF/DKIM/DMARC checks, blacklist monitoring | Smart Templates, API-first architecture, AI-powered design automation |
| Integration Capabilities | API and MCP server for AI agents | API-first, connects with DAM, PIM, CRM, ERP, and other systems |
| Ease of Use | No signup, instant results, plain-English explanations | Requires setup and training for template creation and automation |
| Output | Deliverability reports with issues and fixes | Personalized graphical assets (web ads, brochures, labels, etc.) |
| AI Capabilities | MCP server for AI agents | GraFx Labs for AI-powered design automation |
| Data Privacy | No data stored, ever | Enterprise-grade data handling (details not specified) |
Pricing
mailX by mailwarm: 100% free, no signup required. There are no paid tiers or hidden costs mentioned on the website.
CHILI GraFx: SaaS platform with custom pricing based on usage and scale. Interested users must contact sales for a quote. Pricing is likely enterprise-level and may be prohibitive for small teams or individual users.
Pros and Cons
mailX by mailwarm
Pros:
- Completely free with no signup needed
- Instant results from live DNS data
- Clear, plain-English explanations and actionable fixes
- API and MCP ready for developers and AI agents
- Trusted by 50,000+ marketers and developers
Cons:
- Limited to email deliverability and DNS diagnostics only
- No advanced features like template automation or content production
CHILI GraFx
Pros:
- Powerful creative automation for high-volume visual content
- Smart Templates enable brand-consistent, personalized output
- API-first approach allows deep integration with existing systems
- Supports omnichannel production (print, digital, video)
- Enterprise-grade scalability for large organizations
Cons:
- Requires significant setup and training
- Pricing is not transparent and likely expensive for small teams
Verdict
Choose mailX if you need a free, instant email deliverability checker with clear fixes and developer-friendly APIs. It is perfect for diagnosing why emails go to spam and getting actionable steps to improve inbox placement. Choose CHILI GraFx if you need a full-scale creative automation platform for producing high-volume, on-brand visual content across multiple channels. It is best suited for enterprise teams with complex marketing operations and the budget to support it.
CHILI GraFx
mailX by mailwarm