# MailTester: how AI models rank it, November 2026

Gane Index, November 2026 Edition. Named in 2 judge labels across 1 category by 2 of 14 models. Page: https://www.gane.ai/index/gtm/vendors/mailtester

## Standing by category

| Category | Share | Rank | Negative rate | Labels |
|---|---|---|---|---|
| [Email verification](https://www.gane.ai/index/gtm/gtm-data/email-verification/index.md) | 0% | 22 | 0% | 2 |

## What the models said for it

- "MailTester - Specialized in deliverability and spam protection" (GLM 4.7 FlashX, Email verification)

## 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 | 0 | 0 |
| 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 | 1 | 0 | 1 |
| 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 | 1 | 0 | 0 | 1 |
| 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 MailTester, from 6 of the 8 answers that named it (only the models that return a source list).

### Domains cited

- mailtester.com: 5 (its own site)
- g2.com: 3
- kickbox.com: 3
- zerobounce.net: 3
- billionverify.com: 2
- bouncezero.io: 2
- capterra.com: 2
- emaillistverify.com: 2
- reddit.com: 2
- softwareadvice.com: 2

### Pages cited

- https://zerobounce.net/email-verification-tool-reviews: 3
- https://g2.com/categories/email-deliverability: 2
- https://kickbox.com/resource-center/top-12-bulk-email-verification-validation-services: 2
- https://softwareadvice.com/email-verification: 2
- https://abstractapi.com/: 1
- https://amplemarket.com/blog/best-email-deliverability-tools: 1
- https://any.run/cybersecurity-blog/top-email-security-risks: 1
- https://apollo.io/insights/which-tool-offers-the-best-email-verification: 1

## What it publishes

Every page mailtester.com exposes, read 2026-09-29: 10428 addresses. By kind, pages and the last 90 days:

- blog: 9795 pages, 31 in the last 90 days, latest 2026-09-27
- case study: 4 pages, 4 in the last 90 days, latest 2026-09-21
- webinar or virtual event: 6 pages, 6 in the last 90 days, latest 2026-09-03
- conference or event: 2 pages, 2 in the last 90 days, latest 2026-09-05
- report or ebook: 1 pages, 1 in the last 90 days, latest 2026-08-10
- comparison: 460 pages, 77 in the last 90 days, latest 2026-09-27
- template or tool: 63 pages, 31 in the last 90 days, latest 2026-09-27
- glossary or explainer: 61 pages, 27 in the last 90 days, latest 2026-09-19
- podcast or video: 18 pages, 18 in the last 90 days, latest 2026-08-25
- news or press: 3 pages, 3 in the last 90 days, latest 2026-08-31
- Recent: 2026-09-27 comparison: Predictive analytics email validation one time vs subscribers https://mailtester.com/blog/predictive-analytics-email-validation-one-time-vs-subscribers
- Recent: 2026-09-27 blog: Using email validation to clean dormant lists for reactivation https://mailtester.com/blog/using-email-validation-to-clean-dormant-lists-for-reactivation
- Recent: 2026-09-27 blog: Email verification service features classify buyers purchase frequency https://mailtester.com/blog/email-verification-service-features-classify-buyers-purchase-frequency
- Recent: 2026-09-27 blog: Building re engagement sequences with verified high quality emails https://mailtester.com/blog/building-re-engagement-sequences-with-verified-high-quality-emails
- Recent: 2026-09-27 blog: Email address validation in non production environments safely https://mailtester.com/blog/email-address-validation-in-non-production-environments-safely
- Recent: 2026-09-27 blog: Set up email records cloudflare proxy https://mailtester.com/blog/set-up-email-records-cloudflare-proxy

## 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.