System Design for Sending Batch Promotional Emails by a FAANG Senior Engineer that has reviewed over 100 design documents

Some of my other system design videos that you might enjoy:
Hotel Booking:    • System Design: Hotel Booking  
Web Crawler:    • System Design: Web Crawler (Amazon In...  
Ad Click Counter and Aggregation:    • Meta Interview Question | System Desi...  
URL Shortener like TinyURL:    • System Design: URL Shortener like Tin...  
Payment Gateway:    • System Design: Payment Gateway  
YouTube:    • System Design: YouTube (with FAANG Se...  
Coding Competition Platform like Leetcode:    • Meta Interview Question | System Desi...  
Job Scheduler:    • System Design: Job Scheduler (with FA...  
Tinder:    • System Design: Tinder (with FAANG Sen...  
Chat App like WhatsApp or Facebook (FB) Messenger:    • System Design: Facebook Messenger (wi...  

Here's a link to our discord channel where I organize the live discussions every weekend:
  / discord