Send at scale with SendGrid’s trusted email API and marketing campaigns platform, delivering 148+ billion emails for senders like you every month.

SendGrid is the world's largest email infrastructure as a service provider. Try our SMTP service for free.

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Select from our expedited integration options to harness the power of Twilio SendGrid’s cloud-based, proprietary SMTP service and start sending in minutes.

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There are several different methods that can be used to send through SendGrid. Take a look at our Integrate with SendGrid page for information on how to connect with SMTP or our Web API.

The SendGrid Email API is a powerful tool that enables you to send, receive, and manage emails programmatically. It provides features like dynamic templates, real-time analytics, and robust …

If you discover spam that was sent by a SendGrid customer, please report it to our team by sending it to [email protected]. Our agents will be able to process your spam sample …

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To get started, sign up for a free SendGrid account, and explore our library of responsive templates and drag-and-drop design tools. Integrate your contacts, set up your first campaign, …