Email SMTP Service
Send email reliably with our SMTP services—no email servers required.
![API SMTP - 01 API SMTP - 01](/content/dam/sendgrid/legacy/solutions/email-api/smtp-service/apismtp-01.png/_jcr_content/renditions/compressed-original.webp)
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More than 80,000 customers trust Twilio SendGrid SMTP service, including:
Send email reliably with our SMTP services—no email servers required.
More than 80,000 customers trust Twilio SendGrid SMTP service, including:
Confidently build and grow your email program.
Build and monitor your email solution on a trusted foundation. Select from a variety of expedited integration options to harness the power of Twilio SendGrid’s cloud-based, proprietary MTA.
Rely on globally distributed architecture
Tap into our MTA trusted to deliver over 148 billion emails/mo
Get technical and strategic assistance from real people
Build exceptional customer experiences.Integrate and deliver in minutes with our RESTful APIs or SMTP relay services. Access comprehensive documentation, open source libraries in 7 languages, and a clear setup flow to help you send right away.
Integrate with our feature-rich mail/send API
Plug into our SMTP relay service for standardized sending
Enrich your SMTP relay sending with our SMTP API
Get the help you need, when you need it
Our support team is ready to help at a moment’s notice. Whether you have a question or need some handholding, trust our team to get you up and sending in no time.
Trained and responsive support
Quick response and fast solutions
Robust documentation for self-service
The tools and expertise you need to optimize your inbox delivery rate.
Send on a world-class platform that delivers more than 148 billion emails every month.
Experts can help you optimize your program, troubleshoot, and resolve issues.
Our support teams can give you information and guidance when you need it most.
Free to get started. Free to send.