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Implement Tenants in your Amazon SES environment, Part 2: Assessment and planning
Amazon SES / EUM
November 26, 2025
high impact
AWS SES Introduces Tenant-Based Reputation Isolation for Enhanced Email Deliverability Management Amazon Simple Email Service (SES) has launched a new tenant management feature that allows organizations to create isolated email sending environments within a single AWS account. This capability provides granular reputation management across different email streams, enabling users to assign dedicated configuration sets, sending identities, and templates to each tenant. The feature is designed to prevent deliverability issues from one tenant affecting others, offering real-time visibility into tenant-level metrics such as messages sent, bounce rates, and complaint rates.
Key Takeaways
- arrow_right_alt Tenant-based reputation isolation allows separate email reputations for different customers, business units, or workloads
- arrow_right_alt Recommended approach is to create individual tenants per customer or business unit for complete isolation
- arrow_right_alt The feature provides automated monitoring and policy enforcement to prevent reputation damage from problematic email senders
- arrow_right_alt Suitable for ISVs, enterprises, and organizations with multiple email streams
- arrow_right_alt Offers future-proofing even for single-stream senders by providing proactive reputation management
Amazon Simple Email Service (SES)
Messaging