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📧 Email Architecture

Complete guide to email system architecture, infrastructure setup, and configuration.

System Architecture Types​

1. Simple Architecture​

  • Single ESP (Email Service Provider)
  • Basic automation
  • Suitable for < 10k subscribers

2. Standard Architecture​

  • Primary ESP + backup
  • Marketing automation platform
  • CRM integration
  • Suitable for 10k-100k subscribers

3. Enterprise Architecture​

  • Multi-ESP setup
  • Advanced segmentation
  • Data warehouse integration
  • API-driven automation
  • Suitable for 100k+ subscribers

Infrastructure Components​

Email Service Providers (ESPs)​

  • SendGrid: Transactional focus
  • Mailchimp: Marketing focus
  • ActiveCampaign: Automation focus
  • Brevo (SendinBlue): All-in-one

SMTP Configuration​

Host: smtp.example.com
Port: 587 (TLS) or 465 (SSL)
Authentication: Required

DNS Requirements​

  • SPF Record
  • DKIM Signature
  • DMARC Policy
  • MX Records

Setup Guides​

  • Initial Setup Checklist - Coming Soon
  • DNS Configuration Guide - Coming Soon
  • ESP Integration Guide - Coming Soon
  • IP Warming Schedule - Coming Soon