# Mailgun: how AI models rank it, November 2026

Gane Index, November 2026 Edition. Named in 13 judge labels across 2 categories by 9 of 14 models. Page: https://www.gane.ai/index/gtm/vendors/mailgun

## 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) | 2% | 14 | 10% | 10 |
| [Email verification](https://www.gane.ai/index/gtm/gtm-data/email-verification/index.md) | 0% | 18 | 0% | 3 |

## What the models said for it

- "the best "value" choice is usually Postmark or Mailgun" (GPT-5.4 mini, Email deliverability)
- "gradual warming up of your own IP addresses using professional infrastructure (like Mailgun or SendGrid)" (GLM 4.7 FlashX, Email deliverability)
- "Developer-oriented with built-in verification (part of their email API)." (Grok 4.20, Email verification)
- "Has robust validation features included in their standard API calls." (Qwen 3.7 Flash, Email verification)

## And against it

- "Do not use transactional providers like SendGrid or Mailgun for cold outreach." (Muse Glimmer 30B, Email deliverability)

## By model

| Model | First choice | Alternative | Mention | Warning | Labels |
|---|---|---|---|---|---|
| Claude Haiku 4.5 | 0 | 0 | 1 | 0 | 1 |
| GPT-5.4 mini | 1 | 0 | 0 | 0 | 1 |
| Gemini 3.5 Flash | 0 | 0 | 0 | 0 | 0 |
| Perplexity Sonar | 0 | 0 | 0 | 0 | 0 |
| Grok 4.20 | 0 | 1 | 2 | 0 | 3 |
| Mistral Small | 0 | 0 | 2 | 0 | 2 |
| DeepSeek V4 Flash | 0 | 1 | 0 | 0 | 1 |
| Llama 4 Maverick | 0 | 0 | 0 | 0 | 0 |
| Qwen 3.7 Flash | 0 | 1 | 0 | 0 | 1 |
| Kimi K2 | 0 | 0 | 1 | 0 | 1 |
| 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 | 1 | 1 | 2 |

## Sources returned with these answers

The sites and pages cited by the answers that named Mailgun, from 41 of the 48 answers that named it (only the models that return a source list).

### Domains cited

- mailgun.com: 24 (its own site)
- salesdorado.com: 13
- smartlead.ai: 13
- g2.com: 11
- glockapps.com: 11
- prospeo.io: 11
- softwaresuggest.com: 10
- emailtooltester.com: 9
- myemailverifier.com: 8
- saasworthy.com: 8

### Pages cited

- https://smartlead.ai/blog/email-deliverability-services: 11
- https://salesdorado.com/en/inbound-marketing/email-testing-tools: 10
- https://myemailverifier.com/blog/email-deliverability-tools: 8
- https://saleshandy.com/blog/email-deliverability-tools: 8
- https://emailtooltester.com/en/email-deliverability-test: 7
- https://mailgun.com/blog/email/what-to-look-for-in-a-transactional-email-provider: 7
- https://saasworthy.com/list/email-deliverability: 7
- https://validity.com/wp-content/uploads/2021/06/Everest-Features.pdf: 7

## The company

Sinch; http://www.sinch.com/; Stockholm, Sweden; founded 2008; public, SINCH on Nasdaq Stockholm AB. From Wikidata, fetched 2026-09-14.

## In its own words

What Mailgun's own pages state, read 2026-10-05. Stated by the vendor, not checked by the index.

- Positioning: Powerful Transactional Email APIs that enable you to send, receive, and track emails, built with developers in mind. (https://mailgun.com/)
- For: developers (https://mailgun.com/)
- Price stated: Free, Basic, Foundation, Scale, Enterprise services (https://www.mailgun.com/pricing)
- Starting price: 0 (https://www.mailgun.com/pricing)
- Free plan or trial: Send up to 100 emails/day free. (https://mailgun.com/)
- Certifications: SOC 2 Type II, ISO 27001, GDPR
- Hosting: US, EU
- Customers named: Dribbble, Omnisend, Airguru, ActivePipe, Fin, Avada, SparkToro, Switchboard

## What it publishes

Every page mailgun.com exposes, read 2026-09-29: 5212 addresses. By kind, pages and the last 90 days:

- blog: 501 pages, 11 in the last 90 days, latest 2026-09-03
- case study: 31 pages, 5 in the last 90 days, latest 2026-08-18
- webinar or virtual event: 3 pages, 0 in the last 90 days, latest undated
- conference or event: 6 pages, 0 in the last 90 days, latest 2025-06-30
- report or ebook: 11 pages, 0 in the last 90 days, latest 2025-06-26
- comparison: 42 pages, 0 in the last 90 days, latest 2026-02-20
- template or tool: 5 pages, 0 in the last 90 days, latest 2025-06-24
- glossary or explainer: 127 pages, 0 in the last 90 days, latest 2026-04-24
- podcast or video: 89 pages, 1 in the last 90 days, latest 2026-09-28
- Recent: 2026-09-28 podcast or video: Mj sohn https://www.mailgun.com/resources/podcasts/mj-sohn/
- Recent: 2026-09-03 blog: Deliverability is basically a cat https://www.mailgun.com/blog/deliverability/deliverability-is-basically-a-cat
- Recent: 2026-09-01 blog: Mailgun inspect is now native in salesforce agentforce marketing https://www.mailgun.com/blog/product/mailgun-inspect-is-now-native-in-salesforce-agentforce-marketing
- Recent: 2026-08-25 blog: Verified not invited what gmails political sender program actually says about deliverability https://www.mailgun.com/blog/deliverability/verified-not-invited-what-gmails-political-sender-program-actually-says-about-deliverability
- Recent: 2026-08-21 blog: Gmail reputation data is dead now what https://www.mailgun.com/blog/deliverability/gmail-reputation-data-is-dead-now-what
- Recent: 2026-08-20 blog: Eu guide to tracking pixels https://www.mailgun.com/blog/email/eu-guide-to-tracking-pixels

## 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.