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Company details
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Sendmux helps AI agents work with email like a real production system. Teams can give each agent its own mailbox, let it receive messages, read threads, handle attachments, send replies, and react to new mail through signed webhooks or Server-Sent Events. The product is built for AI agent teams, automation agencies, platform builders, and developers who need email-capable agents in production. Many teams start with one sending provider, a shared inbox, a parser, a webhook service, and custom routing code. Sendmux brings those pieces into one place: inbound agent mailboxes, outbound sending, provider routing, logs, usage, domains, and billing. For outbound email, we works with Gmail OAuth, Outlook OAuth, SMTP providers, and managed Amazon SES. Teams can use weighted routing, sender-domain routing, provider health checks, automatic failover, and quotas by second, minute, hour, or day. That makes it easier to keep control of sending while still giving agents a stable way to communicate. Developers can use the Mailbox API, Sending API, Management API, OpenAPI docs, SDKs for TypeScript, Python, Go, PHP, and Ruby, the sendmux CLI, MCP tools, and official Sendmux Skills. Sendmux also supports tenant isolation, mailbox-scoped API keys, custom domains, delivery logs, metrics, and usage-based pricing.
Contact info
Level 31/120 Collins Street, 3000, Melbourne, Australia
- contact@sendmux.ai
- sendmux.ai
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