This comprehensive article provides a detailed guide to IP and domain warming when migrating email services to Amazon SES (Simple Email Service). It explains the critical process of gradually introducing new sending identities to mailbox providers to build a positive sender reputation.

• IP warming is essential for establishing trust with email providers and ensuring email deliverability
• Key challenges include managing event-driven traffic, multiple domains, and tight migration timelines
• Recommended strategies include:
  • Start by sending to most engaged subscribers
  • Gradually shift traffic
  • Begin with predictable workloads
  • Use automated warm-up processes
• Best practices involve:
• Configuring proper DNS records
• Using permission-based mailing lists
• Providing valuable content
• Monitoring key metrics

The article emphasizes that IP warming is an ongoing process requiring continuous monitoring and adaptation to maintain email deliverability and sender reputation.