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Mailgun

Mailgun provides APIs for sending, receiving, and tracking email at scale for applications and businesses. · Mailgun · Messaging

Official pricing Docs Report outdated info

Overview

Mailgun is a popular email delivery service offering APIs and SMTP relay for sending, receiving, and tracking transactional emails. The free plan is always free, allowing up to 100 emails per day with one sending domain, making it suitable for testing and early-stage projects. Mailgun is best for developers and teams needing reliable email delivery.

Good fit

Use Mailgun when you need reliable, scalable email delivery with API or SMTP integration for apps or services.

  • transactional email
  • app notifications
  • automated messaging

Not a fit

Avoid if you need more than 100 emails per day for free, or require multiple sending domains without upgrading.

  • need more than 100 emails/day free
  • need multiple sending domains
  • require bulk marketing tools
Quickstart · 5 steps
  1. Sign up for a Mailgun account and verify your email.
  2. Add and verify your sending domain.
  3. Obtain your API key from the dashboard.
  4. Integrate Mailgun API or SMTP into your application.
  5. Send a test email to confirm setup.

Other free messaging options

Brevo
Brevo · Messaging
300 emails/day · Store up to 100,000 contacts · 2,000 unique contacts can enter active automations
Billing risk: None
No card
MailerLite
MailerLite · Messaging
250 subscribers · 2,500 emails/month · 2 user seats
Billing risk: None
No card
Mailjet
Mailjet · Messaging
200 emails/day · 6,000 emails/month · Basic analytics
Billing risk: None
No card
Postmark
Postmark · Messaging
100 emails/month · No overages allowed
Billing risk: None
No card