Mailgun
Mailgun is a web-based email service for sending and routing messages through RESTful email APIs and an SMTP relay.
What Mailgun is
Mailgun is a web-based email service for sending and routing messages through RESTful email APIs and an SMTP relay. Its free plan allows 100 emails per day and includes one custom sending domain, tracking, analytics, webhooks, and one inbound route. The Basic plan allows 10,000 emails per month without a daily limit, with five inbound routes and the same tracking tools. Foundation raises the allowance to 50,000 emails monthly and adds an email template builder and API, full inbound-routing access, and five days of log retention. Scale allows 100,000 emails per month and includes dedicated IP pools, SAML SSO, 30 days of log retention, and live phone and chat support. Dedicated IPs are also available separately. It runs on the web, was founded in 2010, and is headquartered in San Antonio, Texas.
Good
- Free plan includes 100 emails per day
- RESTful APIs and SMTP relay
- Tracking, analytics, and webhooks
- Dedicated IP option available
- 30-day trial listed
Watch out
- Free plan has a 100-email daily limit
- Web platform only
Who it suits
Mailgun suits teams that need API- or SMTP-based email sending, tracking, webhooks, and inbound routing. It can fit users seeking a free starting plan or larger listed sending allowances.
Verdict
Mailgun combines email delivery APIs and SMTP relay with tracking, inbound routing, and progressively larger listed plans. The free plan and trial provide an entry point, while higher plans add routing, retention, identity, and support features.
Plans and prices
From Mailgun's own pricing page, checked 16 Sep 2026.
| Plan | Price | What it gives you |
|---|---|---|
| Free | Priced on request | 100 emails per day · RESTful email APIs and SMTP relay · One custom sending domain · Tracking, analytics, and webhooks · One inbound route |
| Basic | Priced on request | 10,000 emails per month · No daily email limit · RESTful email APIs and SMTP relay · Five inbound routes · Tracking, analytics, and webhooks |
| Foundation | Priced on request | 50,000 emails per month · Email template builder and API · Full access to inbound routing · Five days log retention · Tracking, analytics, and webhooks |
| Scale | Priced on request | 100,000 emails per month · Dedicated IP pools · SAML SSO · 30 days log retention · Live phone and chat support |
The facts
Each one read from Mailgun's own pages, with the date it was checked.
The company
- Founded
- 2010checked 23 Sep 2026
- Headquarters
- San Antonio, Texas, United Stateschecked 23 Sep 2026
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