# Mailgun alternatives: what AI models name instead, November 2026

Gane Index, November 2026 Edition. 233 of the 252 answers in the 1 category where Mailgun holds a standing named it neither first nor as an alternative; these are the first choices those answers made. Page: https://www.gane.ai/index/gtm/vendors/mailgun/alternatives

## Named instead, most often (every category and segment added)

- GlockApps: 52
- Validity Everest: 32
- Google Postmaster Tools: 19
- Sender: 11
- MXToolbox: 10
- Instantly: 8

## Email deliverability and testing tools

**Small business**: 80 of 84 answers did not name Mailgun.

- GlockApps: first choice in 19 of those 80
- Google Postmaster Tools: first choice in 11 of those 80
- MXToolbox: first choice in 7 of those 80
- Instantly: first choice in 6 of those 80
- Mail-Tester: first choice in 6 of those 80
- Sender: first choice in 6 of those 80
- MailerLite: first choice in 3 of those 80
- Brevo: first choice in 2 of those 80

**Mid-market**: 81 of 84 answers did not name Mailgun (Mailgun is #10 of 19 at 2%).

- GlockApps: first choice in 30 of those 81
- Google Postmaster Tools: first choice in 8 of those 81
- Sender: first choice in 5 of those 81
- Litmus: first choice in 4 of those 81
- MXToolbox: first choice in 3 of those 81
- Validity Everest: first choice in 3 of those 81
- Allegrow: first choice in 2 of those 81
- Folderly: first choice in 2 of those 81

**Enterprise**: 72 of 84 answers did not name Mailgun (Mailgun is #5 of 17 at 4%).

- Validity Everest: first choice in 29 of those 72
- Validity Engage: first choice in 5 of those 72
- Inbox Monster: first choice in 4 of those 72
- Litmus: first choice in 4 of those 72
- GlockApps: first choice in 3 of those 72
- Mailgun Optimize: first choice in 3 of those 72
- Instantly: first choice in 2 of those 72
- Allegrow: first choice in 1 of those 72

Published under CC BY 4.0. The output is the models' output; nothing here is a recommendation by the index.