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SendEmail API & SMTP services to send, receive, and track emails
](/products/send/)
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OptimizeTools and services to improve your email deliverability
](/products/optimize/)
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Shield badge check icon
ValidateClean your email list via API or bulk list upload
](/products/validate/)
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By industryBusinesses that love us
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Martech
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Fintech
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* Email icon
By use caseWhat they use us for
* * *
* [
Transactional Email Platform
](/solutions/transactional-email-platform/)
* [
Email Deliverability Services
](/solutions/email-deliverability-service/)
* [
Email Reputation Services
](/solutions/email-reputation-service/)
* [
Blocklist Monitoring Services
](/solutions/email-blocklist-monitoring-service/)
* [
Email Testing Services
](/solutions/email-testing-software/)
* Window stack icon
By featureTheir favorite email tools
* * *
* [
Send Email API
](/features/email-api/)
* [
SMTP Relay
](/features/smtp-server/)
* [
Email Validation API
](/features/email-validation-api/)
* [
Email List Validation
](/features/email-list-validation/)
* [
Email Template Builder
](/features/email-templates/)
* [
Email Inbox Placement
](/features/email-inbox-placement/)
* [
Enterprise: Send high-volume emails through the most reliable email API provider.
Read More
](/enterprise/)
* [
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LearnExplore our resources packed with expert advice
](/resources/)
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* [
Document icon
Blog
](/blog/)
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Book icon
Guides
](/resources/guides/)
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Magnifying glass icon
Research reports
](/resources/research/)
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Microphone icon
Podcasts
](/resources/podcasts/)
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Video icon
Videos
](/resources/videos/)
* [
Getting started with Mailgun: An intro to the platform
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](/resources/videos/getting-started-mailgun-intro-platform/)
* [
Release Notes: Keep up with what's new in the Mailgun platform.
Read More
](/release-notes/)
* [
2025 State of Email Deliverability Research Report
Read More
](/resources/research/state-of-email-deliverability/)
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Upcoming Webinar: [Deliverability Academy: Master the basics](https://sinch.registration.goldcast.io/webinar/b8e7fa49-6e55-4690-90f6-e871f6f7aa8a)
Deliver emails
Transactional Email Delivery Service & API for Developers
=========================================================
Try our email API and top-notch email sending service designed for developers. Enhance your transactional email capabilities seamlessly. Â
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Over 150,000 companies are building connected experiences with Mailgun
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Customize your email delivery and sending
-----------------------------------------
No two businesses communicate alike, let alone to the same people. Pick and choose which solutions best fit your needs, with the ability to flex other tools should your strategy and goals change. Mailgun offers solutions that can be tailored to your business strategy.
### Send emails
Integrate email seamlessly into your systems with industry-leading reliability, compliance, and speed.
### Optimize emails
Boost email engagement, avoid the spam folder, and increase your email ROI with tools that drive performance.
### Validate emails
Reach more customers and drive more conversions with the fastest email validation service on the market.
Reliable scalability
Send and deliver emails with assurance
--------------------------------------
Email plays a crucial role in your tech stack, and the technologies powering your email program should integrate seamlessly and scale effortlessly on a platform known for its compliance and reliability. Mailgun was built by developers, for developers. Whether you’re looking to send thousands or millions of emails to the inbox, parse incoming messages, or connect your email data to a CRM – Mailgun offers the flexibility and reliability you need to ensure your emails reach their destination, every time.Â
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Explore Pricing
](/pricing/)[
Key Features
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Effortless performance
Optimize emails with purpose
----------------------------
From day-to-day decision making to long-term strategic planning, we provide the perfect combination of insight and expertise you need to build and maintain a high-ROI email program. Mailgun Optimize combines two essential elements, applications and expertise, to create one comprehensive email deliverability suite.
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Explore Pricing
](/pricing/optimize/)[
Key Features
](/products/optimize/)
Effective validation
Validate email lists with accuracy
----------------------------------
When every email counts, you can't afford to waste time and money sending to addresses that don’t exist. Mailgun email validations leverage cached send data to deliver the fastest, most accurate results in the industry. Integrate our real-time Email Validation API or drag and drop your lists to quickly remove invalid and high-risk addresses.
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Talk To Sales
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Built on proof, not promises
The data speaks for itself
--------------------------
Results current customers see include
21%
---
Decreased bounces
65%
---
Increased open rates
100%
----
Increased clicks
The leverage you need with an email delivery provider you can trust
-------------------------------------------------------------------
Moving to a new email service provider is a big investment, but it isn't one you need to make with your eyes closed. We partnered with Forrester to explore the potential improvements Mailgun could provide a composite customer based on data from interviewed customers to give you a better idea of what success could look like for you.
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Download The Forrester TEI Study
](/resources/research/forrester-tei-study/)[
Customer Stories
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### "For us, at the volume we're sending – every fraction of a percentage means a potential customer, and as a community of designers, it's our job to create meaningful touchpoints. High deliverability ensures that our messages and our reach are seen; any improvement in our email program has a huge effect on our business."
115F513A-17CF-463E-999E-489BC063244D
Michael Sacca
Vice President of Product at Dribbble
#### Get started for free with the best email delivery platform and API. Send up to 100 emails/day free.Â
Let's get sending.
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