Email Relay API for businesses sending transactional emails
Why choose SMTP?
Scalable infrastructure
Whether you send billions of emails a month or it is the speed of delivery that matters, SMTP scales effortlessly.
Reliable Sending
Our highly responsive infrastructure ensures virtually no latency and over 99% system uptime. When speed of email sending matters, SMTP delivers.
Industry-leading delivery
For over two decades, businesses have relied on our unmatched deliverability rates and reputation among mailbox providers.
ISP Management
SMTP maintains an impeccable reputation among mailbox providers by proactively vetting out spam and maintaining high delivery rates.
Expert support
Our in-house support team are experienced email delivery experts with decades of expertise.
Easy API Implementation
Our easy-to-use API means you can spend less time integrating SMTP and more time growing your business.
Customer Story:
Email communications are critical for the RetirementJobs.com community of more than one million members nationwide. They rely on email to deliver members timely, relevant information about its programs and offerings, as well as the latest news about careers and the job market.
“Because we send a very high volume of email, it is critically important to our business that it’s reliably delivered to the customer’s inbox. Since we started working with SMTP, we’ve seen a marked improvement in our email deliverability, and we’ve successfully scaled our email marketing program by 400 percent while preserving our great sender reputation.
SMTP provides us with the peace of mind to know that we have an expert partner managing our email deliverability system well.”
On average, statistics show that 22 percent of emails never make it to the inbox. By improving their email deliverability with SMTP’s knowledge and experience, organizations can achieve increased results that have a positive impact on customer communications, sales and revenue.
SMTP Reputation Defender
- Detailed reporting
- Proactive monitoring
- No integration needed
REPUTATION DEFENDER IS AN OPTIONAL ADD ON ON ALL SMTP PLANS.
> EMAIL RELAY API
Fast setup, easy integration. Powerful API.
Get up and running today. Our incredibly easy-to-use API and comprehensive documentation means you can spend less time integrating and more time growing your business.
ACTIVATE ACCOUNT
After you sign up, check your email, click the verification link and you’re done.
DOMAIN SETUP
Add DNS records, setup DKIM & SPF so we know you own the domain you are sending from.
START SENDING
Deploy the code where email fits into your product or website, or plug your SMTP credentials into a tool of your choice.
> PICK A PLAN
Delivery suite plans that scale with your needs.
Join the platform that sends billions of emails every month with 99.99% uptime and unmatched deliverability.
ESSENTIAL
50,000 emails/ mo
- Shared IP
- Email Relay API
- Reliable Expert Support
- Detailed Reporting
- Reputation defender (add on)
500,000 emails/ mo
- Dedicated IP
- Email Relay API
- Reliable Expert Support
- Detailed Reporting
- Reputation defender (add on)
STARTER
100,000 emails/ mo
- Dedicated IP
- Email Relay API
- Reliable Expert Support
- Detailed Reporting
- Reputation defender (add on)
BUSINESS
1,000,000 emails/ mo
- Dedicated IP
- Email Relay API
- Reliable Expert Support
- Detailed Reporting
- Reputation defender (add on)