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deliverabilitysending8 min read

An open source cold email and warmup platform: what self-hosting actually gives you

Sendsets is Apache 2.0 cold email plus warmup you can self-host. What running it yourself means for IPs, workers, and your data, and when cloud is the better call.

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Your product can sell itself.

Paste the install prompt into Claude Code or Codex. It sets up the CLI, signs you in, and stops for your approval before anything sends.

create an accountread the docs
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