Mailgun
Mailgun is an email platform for sending, receiving and tracking email through an API or SMTP. It was founded in 2010 and is owned by Sinch through its parent company Pathwire. A free plan allows 100 emails a day, and paid plans start at $15 a month for 10,000 emails.
Facts checked on against the sources listed at the end of this page.
- Pricing
- FreemiumPaid from $15 a month for Basic (10,000 emails)
- Open source
- NoProprietary
A good fit for
- Apps that send transactional email such as receipts, password resets and alerts
- Products that also need to receive and parse incoming email
- Teams that want email validation in the same account as sending
- Developers who want either an HTTP API or plain SMTP
Not a good fit for
- Teams that need a long free plan: the free plan is capped at 100 emails a day and 1 day of logs
- Marketing-first teams that want campaign and automation tooling built for non-developers
- Anyone who needs open source or self-hosting: Mailgun is a hosted service
- Low-volume senders that need a dedicated IP, which costs $59 a month per IP
Mailgun pricing
The free plan allows 100 emails a day. Basic starts at $15 a month for 10,000 emails, and Foundation and Scale add volume and longer log retention after a 1-month free trial.
| Plan | Price | What you get |
|---|---|---|
| Free | $0 a month | 100 emails a day, 1 day of log retention, 1 custom sending domain. |
| Basic | From $15 a month | 10,000 emails a month, overage from $1.80 per 1,000, 1 day of log retention. |
| Foundation | $35 a month after a 1-month free trial | 50,000 emails a month, overage from $1.30 per 1,000, 5 days of log retention. |
| Scale | $90 a month after a 1-month free trial | 100,000 emails a month, overage from $1.10 per 1,000, 30 days of log retention. |
Prices in USD, checked on 9 October 2026. Current prices on mailgun.com.
Main features
- Send API and SMTP relay
- Send, receive and track email through an HTTP API or standard SMTP.
- Inbound email
- Receive and parse incoming messages. The free plan includes 1 inbound route.
- Email validation
- Real-time API checks and list uploads to find invalid addresses before sending. Billed per 100 validations beyond the plan allowance.
- Deliverability and inbox placement
- Tools to monitor and improve whether messages reach the inbox.
- Email preview and templates
- Preview messages before sending and build templates in a builder.
- Dedicated IPs
- $59 per IP per month, added from the control panel or through support.
About Mailgun
Mailgun sends email from applications through a REST API or SMTP relay, and can also receive and parse incoming messages. Its site lists tools for email validation, deliverability, inbox placement testing, email preview and a template builder.
Mailgun Technologies was founded in 2010. Sinch acquired the Pathwire group, which owns Mailgun and Mailjet, in September 2021. Plans differ by monthly email volume, log retention and overage rates.
- Made by
- Mailgun, part of Sinch
- Launched
- 2010
- Free plan
- Yes: 100 emails a day, 1 custom sending domain, 2 API keys, 1 inbound route, 1 user.
Mailgun alternatives
Questions about Mailgun
Who owns Mailgun?
Sinch owns Mailgun through the Pathwire group, which it acquired in September 2021. Pathwire also owns Mailjet.
Does Mailgun have a free plan?
Yes. The free plan allows 100 emails a day, 1 custom sending domain, 2 API keys, 1 inbound route and 1 user, with 1 day of log retention.
How much does Mailgun cost?
Basic starts at $15 a month for 10,000 emails. Foundation is $35 a month for 50,000 emails and Scale is $90 a month for 100,000 emails, both after a 1-month free trial.
Can Mailgun receive email?
Yes. It can receive and parse incoming messages, and the free plan includes 1 inbound route.
Is Mailgun open source?
No. Mailgun is a proprietary hosted service.
Sources and links
Work on Mailgun? Claim this listing. Something wrong or out of date? Suggest a correction. Stats come from the public GitHub and npm APIs and update every day.