Back to main menu

Mailgun enterprise logo

Built for scale

Email APIs for enterprise sending

Reach every customer with one of the industry's most reliable and secure email service providers sending billions of emails a month.

Illustration showing API code for email sending.

Over 150,000 companies are building great apps and email programs with Mailgun

Lyft Logo
Microsoft Logo
Dribbble logo
Wikipedia logo
NHL Logo
American Express Logo
DHL logo

Reliable, scalable email solutions

As a large-scale business, you need every guarantee that your emails will arrive on time and without delay. Send millions of emails a month with the Email Service Provider that puts your use case and deliverability first:

  • RESTful APIs integrate email into your application seamlessly

  • Throughput, Delivery, Verification, and Response Time SLAs at various tiers that meet your needs

  • 99.99% Server Uptime with swift communications should something impact your sending

  • GDPR, SOC, HIPAA, and ISO 27001 compliant

Different data point graphs for email
Inbox icon

97.4% average delivery rate

From deliverability services customers, beating the industry average of 85%.

Line chart up trend icon

24.6m average monthly volume

From our deliverability services customers alone.

Bounce icon

0.42% average bounce rate

For deliverability services customers, well under the industry average bounce rate of 2%.

Mailgun for Enterprises

Let's Talk Email

Protect your data and customers

Privacy is paramount to customers of your business, which is why we strive towards leading the way for compliance and security in email:

  • SOC types I & II certified

  • GDPR compliant

  • HIPAA compliant

  • ISO 27001 certified

  • PCI-compliant SAQ-A merchant

Looking for additional compliance standards or looking for our DPA? Our security portal has a comprehensive list of all our data practices, protections, and compliance standards across the Sinch Email portfolio.

List of different compliances over data on screen

Avoid processing delays

Our Service Level Agreements (SLAs) are more than promises where you sign the dotted line. They are financial commitments to deliver the desired level of performance without fail to you – every day:

List of Sinch Email's SLAs connected to a signed document with a lock icon
Line chart up trend icon

Rapid Fire Throughput SLA

Up to 72 million message requests an hour (1.2 million requests a minute).

Clock with forward arrow icon

Rapid Fire Delivery SLA

Guaranteed 99% attempted delivery of up to 15 million messages within the first five minutes of sending.

Shield badge check icon

Email Validation SLA

Customers utilizing the single verifications API method are guaranteed to receive a response from the service within 200ms of receiving the request for 95% of any given monthly volume.

Headset icon

Support Response Time SLAs

Variable, guaranteed response time frames and communication methods. logo

“Mailgun support and expertise is truly top notch. We definitely couldn’t have done a migration of this size without having them around to double-check our assumptions and provide guidance. You can tell they care about getting email deliverability right, and our customers greatly appreciate it.”


John Alison

Co-founder of


Complex trends: Simplified

Our team of experts are integrated into the email industry, making a point to understand the nuances that affect senders to provide the best email advisory possible.

Calendar icon

Over 100 years

combined experience with deliverability and email

Microphone icon

Regular attendees and speakers

at industry conferences with MBPs like M3AAWG and CSA

Handshake icon

Established relationships

with MBPs and email organizations to understand and solve delivery issues

Data with depth

Understand every detail of what happened with your email with Mailgun API's log retention and email analytics. From the moment you press send, our platform can track:

  • Email events like addition to the message queue, MBP acceptance, and delivery

  • Error codes with exact time stamps and explanations

  • Engagement metrics like opens, clicks, unsubscribes, and more

Data dashboard on Mailgun UI

Sinch Email enables the creation of thoughtful communications experiences

API icon

Integrate in minutes

Mailgun’s RESTful APIs make adding emails to your business a breeze. Let your development team pick their languages of choice and start sending.

Paint palette icon

Empower effortless template creation

Users can create responsive, beautiful templates all from your application with Mailjet’s Email Editor through Mailjet Embedded.

Eye icon

Test your customers’ email templates

With previews on over 100+ clients and devices, Email on Acid helps you make certain your message displays as intended—in every inbox.

Phone and laptop icon

Expand your communications offerings

Send personal, secure messages directly to your customers on their favorite channels, with cloud-based messaging services from Sinch.

Businessman icon

Utilize actionable insights

Spend less time monitoring your reputation and email performance by having an Mailgun Optimize expert proactively track your email program.

Chat stack video icon

Add a personal touch

Create a customizable video or voice chat experience in mobile, web, or desktop applications to build deeper connections with your customer base.

Microsoft, Wikipedia, and American Express trust Mailgun Enterprise with their email programs.

Are you ready to transform your email strategy?
CTA icon