# What is Sendgrid
SendGrid is a cloud-based SMTP provider that allows you to send email without having to maintain email servers. SendGrid manages all of the technical details, from scaling the infrastructure to ISP outreach and reputation monitoring to whitelist services and real time analytics.
SendGrid has partnered with Amazon to offer email services on the Amazon Marketplace. Built by developers for developers, SendGrid offers developers simple SMTP and API integrations to start sending in minutes. Non-technical users can leverage Marketing Campaign's intuitive interface to create, send, and analyze marketing emails.