Testimonials
See why users love Mailgun
The best email API solution for connection-driven businesses
Mailgun empowers senders like you to build with the most powerful and reliable email service provider in the industry.
Over 150,000 companies are building great apps and email programs with Mailgun
Benefits
Built for developers, by developers
Our robust set of email APIs and comprehensive documentation help you spend less time adding email into your app and more time building cool stuff.
- Sign up and add domain
- Add DNS records provided by Mailgun to verify your domain
- Generate API keys and configure your application
- Start sending
Start sending today
Quick start
Flexible Sending: Limitless Capacity
Emails are unique, and so too are the email programs that send them. Mailgun enables businesses large and small to send email at scale via their preferred method of sending.
- Built on Google with 99.99% server uptime
- SOC I & II certified
- GPR, HIPAA, and ISO 27001 compliant
Infrastructure
Help where you need it, when you need it. Our support teams are available around the clock via ticket, chat, or phone – pick the plan that works best for you.
Dedicated deliverability experts and infrastructure specialists are available 24/7 to ensure your operations run smoothly. Comprehensive documentation helps you troubleshoot issues quickly so you never miss a beat.
Overcome obstacles with expert support
Assistance
Stats
Send with confidence
Mailgun's top features
Advance features to boost your campaign
Measure and track the KPIs of your campaigns effectively with robust email analytics.
Analytics
Store critical email data for trouble shooting and trend monitoring for 30 days with Log Retention.
Log Retention
Save time while building emails with no-code or low-code templates
Email Templates
Compare campaign variables and release high-performing emails with A/B testing
A/B Testing
See why over 150,000 companies are sending emails with Mailgun
Don’t just take our word for it
Download the study
Download the commissioned 2023 Forrester Consulting Total Economic Impact™ study to discover how Mailgun by Sinch helped businesses get more out of their email program by increasing delivery and unique open rates and mitigating time-consuming email deliverability issues.
Customers increased returns and customer engagements with Mailgun by Sinch
The total economic impact™ of Mailgun
Try Mailgun for yourself
Try Mailgun free for 30-days, or set up a demo with our email experts
"When we look at deliverability on our end - Mailgun is the first line of defense if anything goes wrong."
Casey Henry
Chief Technology Officer, SparkToro
Email validation
Inbox placement testing
Email preview
Reputation monitoring
Blocklist monitoring
Spam trap monitoring
Remove invalid and high-risk email addresses from your list before you send to reduce bounces and improve your sender reputation.
See where your emails are most likely to land before you send to identify delivery issues and improve email performances ahead of time.
Preview your emails across 100+ devices and clients (including dark mode) to identify formatting and rendering issues before its time to send.
See where your emails are most likely to land before you send to identify delivery issues and improve email performances ahead of time.
Monitor your IPs and domains across our curated list of blocklist providers to identify problems in real time and avoid major disruption to your email program.
Protect your sending reputation and avoid deliverability obstacles by monitoring how often you are sending to known spam traps.