System Design Interview Question— Design Mass Email Sending System

Sending mass emails is one of the key functionalities for the inbound and outbound marketing. It is one of the key feature offered by SaaS products targeting Marketing segmentation. In this story, we will go through the consideration of how to design the mass email sending system. In the next story, we will see the actual implementation.

Implementation

Implementing a Mass Email Sending System with Angular, .NET Core, Azure, SendGrid, and SignalR

Understand the Requirements

• Scalability: How many emails do you need to send at peak times?
• Delivery Speed: How quickly do the emails need to be delivered?
• Reliability: How will you handle email bounces and failures?
• Personalization: Do you need to customize emails for individual recipients?
• Tracking: How will you measure the success of your email campaigns?

Core Components of a Mass Email System