# Mail-Tester.com: how AI models rank it, October 2026

GTM AI Recommendation Index, October 2026 Edition. Named in 3 judge labels across 1 categories by 3 of 14 models. Page: https://gtm-ai-index.com/vendors/mail-tester-com/

## Standing by category

| Category | Share | Rank | Negative rate | Labels |
|---|---|---|---|---|
| Email deliverability and testing tools | 0% | 40 | 0% | 3 |

## What the models said for it

- "Send a test email to get a spam score (0-10), detailed feedback on content triggers" (Grok 4.1 Fast, Email deliverability)
- "Quick free check → Mail-Tester (30 seconds, no signup)" (DeepSeek V4 Flash, Email deliverability)

## Record

- Method: https://gtm-ai-index.com/methodology/
- Raw judge labels and full responses: https://gtm-ai-index.com/data/
- License: CC BY 4.0. Cite as GTM AI Recommendation Index, October 2026 Edition, gtm-ai-index.com.