# www.mail-tester.com: how AI models rank it, November 2026

Gane Index, November 2026 Edition. Named in 1 judge label across 1 category by 1 of 14 models. Page: https://www.gane.ai/index/gtm/vendors/www-mail-tester-com

## Standing by category

| Category | Share | Rank | Negative rate | Labels |
|---|---|---|---|---|
| [Email deliverability and testing tools](https://www.gane.ai/index/gtm/marketing/email-deliverability-and-testing/index.md) | 0% | 117 | 100% | 1 |

## And against it

- "Very cheap/free "spam score" tools used as the final word — they can be fine for quick checks, but they often miss the real causes of inboxing issues." (GPT-5.4 mini, Email deliverability)

## By model

| Model | First choice | Alternative | Mention | Warning | Labels |
|---|---|---|---|---|---|
| Claude Haiku 4.5 | 0 | 0 | 0 | 0 | 0 |
| GPT-5.4 mini | 0 | 0 | 0 | 1 | 1 |
| Gemini 3.5 Flash | 0 | 0 | 0 | 0 | 0 |
| Perplexity Sonar | 0 | 0 | 0 | 0 | 0 |
| Grok 4.20 | 0 | 0 | 0 | 0 | 0 |
| Mistral Small | 0 | 0 | 0 | 0 | 0 |
| DeepSeek V4 Flash | 0 | 0 | 0 | 0 | 0 |
| Llama 4 Maverick | 0 | 0 | 0 | 0 | 0 |
| Qwen 3.7 Flash | 0 | 0 | 0 | 0 | 0 |
| Kimi K2 | 0 | 0 | 0 | 0 | 0 |
| GLM 4.7 FlashX | 0 | 0 | 0 | 0 | 0 |
| MiniMax M2.5 | 0 | 0 | 0 | 0 | 0 |
| GPT-6 Luna | 0 | 0 | 0 | 0 | 0 |
| Muse Glimmer 30B | 0 | 0 | 0 | 0 | 0 |

## Sources returned with these answers

The sites and pages cited by the answers that named www.mail-tester.com, from 1 of the 1 answers that named it (only the models that return a source list).

### Domains cited

- g2.com: 1
- reddit.com: 1
- trustpilot.com: 1

### Pages cited

- https://g2.com/categories/email-verification: 1
- https://g2.com/glossary/email-deliverability-definition: 1
- https://reddit.com/r/Emailmarketing/comments/1v2jp6r/any_reliable_inbox_placement_tests_providers: 1
- https://reddit.com/r/emaildeliverability/comments/1wjn3m6/are_inbox_placement_tests_safe_and_is_instantly: 1
- https://trustpilot.com/review/mailtrap.io: 1
- https://trustpilot.com/review/www.mail-tester.com: 1

## Record

- Method: https://www.gane.ai/index/gtm/methodology
- License: CC BY 4.0. Cite as Gane Index, November 2026 Edition, www.gane.ai/index/gtm.