Alternatives
Products that do what RegalMail does
Give your AI agents a real email inbox — IMAP in, SMTP out
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Let your agents read, send, and react to email autonomously
Jun 2026 · atomicmail.ai
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AI Agents & Email deliverability experts on your team
Jul 2026 · mailadept.com
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Hey HN, we're Haakam, Michael, and Adi. We're building AgentMail (https://agentmail.to/), an API to give AI agents their own email inboxes. We’re not talking about AI for your email, this is email for your AI. We started building email agents because they can converse with users in their inboxes, automate email-based workflows, and authenticate with third-party applications. Given these unique capabilities, we think email will be a core interface for agents. But we were building on top of Gmail, which was a struggle: poor API support, expensive subscriptions, rate limits,…
2025 · chat.agentmail.to
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Turn any email inbox into a native interface for AI agents
Apr 2026 · blog.cloudflare.com
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I kept running into the same problem while building AI agents: every agent that needs email ends up sharing my personal inbox or a single company domain. That breaks attribution, creates deliverability risk, and makes it impossible to test sender identities per agent. So I built AgentMailr. You call an API to create an inbox, your agent gets a unique email address, and replies route back to that specific agent. Works for both inbound (OTP parsing, reply routing) and outbound (cold email, notifications). Bring your own domain is supported so emails come from your domain, not ours. REST API…
Mar 2026 · agentmailr.com
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