Mailgun

Founded by Taylor Wakefield

Powerful Transactional Email APIs that enable you to send, receive, and track emails, built with developers in mind.

Cost

Free Tier

Rating

★ People love it

Time to value

Quick Setup (< 1 hour)

You can use Mailgun to send, receive, and track emails through APIs built for developers. It handles transactional emails like password resets, order confirmations, and notifications. You can validate email addresses, test email campaigns, monitor deliverability, and scale from thousands to millions of emails. The service includes SMTP relay, inbox placement testing, and email list cleaning features.

What Mailgun does

Integrate email sending into applications using REST APIsSet up SMTP relay for existing email systemsValidate email lists to remove invalid addressesCreate email templates with dynamic contentTrack email delivery status and engagement metricsConfigure webhooks for real-time email eventsTest email rendering across different devicesMonitor sender reputation and deliverability scoresSend up to 100 emails daily on free tierReal-time email validation API with cached dataEmail preview and accessibility testingAutomatic bounce and spam folder detectionParse incoming emails and extract dataTrack email opens, clicks, and delivery statusBulk email list cleaning and validationDeveloper-focused REST APIs and webhooks