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AWS SES Is a Sending Pipe, Not an Outreach Tool — Here Is What That Costs You

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AWS Simple Email Service (SES) offers low-cost, high-volume email sending but lacks built-in features essential for cold outreach, such as contact management, bounce suppression, reply detection, and unsubscribe handling. Developers must build these capabilities themselves, a process the author estimates takes several weeks of engineering plus ongoing operational maintenance. AWS enforces strict thresholds — bounce rates above roughly 5% and complaint rates above 0.1% can trigger account reviews or suspensions, making cold email campaigns particularly risky on shared infrastructure. Dedicated IPs can isolate sender reputation but introduce a warmup burden that low-volume senders struggle to meet. The author concludes SES suits teams building a full outreach platform from scratch, but is a poor fit for founders or indie hackers needing a quick, responsible way to reach a few hundred prospects.

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