Our most read guide that includes best practices that every developer and marketer should know.
SMTP Relay: Reliable and Scalable Email Delivery
SendGrid is the leader in transactional email delivery. Our cloud-based email solution with SMTP relay replaces your email infrastructure so you don't have to build, scale, and maintain these systems in-house.
A suite of clean IP streams, a host of delivery and reputation features, and a team of deliverability experts focused on your sending.
A global, custom-built MTA architected for the cloud and supported by a redundant, self-hosted datacenter infrastructure.
Real-time, Customizable Analytics
Create reports based on timeframe, email category, ISP, geography, and device-type.
24/7 dedicated email experts ready to answer any and all questions.