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Dead Simple Email

Email Infrastructure for AI Agents·deadsimple.email

Dead Simple Email is an email API built for AI agents that lets developers create inboxes programmatically, send and receive messages, and get real-time webhook notifications. It provides pre-configured SPF/DKIM/DMARC, automatic threading, IMAP/SMTP access, and SDKs/integrations for AI agent frameworks, avoiding Gmail account suspensions, OAuth complexity, and per-seat mailbox pricing.

What it's for

AI customer support agents that receive and reply to tickets via emailSales outreach agents with personalized inboxesWorkflow automation (invoice processing, order confirmations, form submissions)Multi-tenant SaaS platforms needing per-user emailMonitoring agents that receive alerts and trigger automated responses

Features 20

AI agent guardrails and rate limiting
Attachment text extraction (PDF, XLSX, DOCX, CSV)
Automatic email threading
Blocklists and domain restrictions
Bounce classification and automatic suppression
Bulk inbox provisioning via API
Clean reply parsing (quoted text and signatures stripped)
Create email inboxes via API
Custom domain support with auto DNS verification
Dashboard for visual inbox management
Draft approval workflows
Multi-tenant pods with scoped API keys
Open and click tracking
Pre-configured SPF, DKIM, and DMARC
Python, TypeScript, and Go SDKs
Real-time delivery via WebSocket and SSE streaming
Real-time webhook notifications with HMAC signing
Send and receive emails programmatically
Standard IMAP and SMTP access on every inbox
Verification-code / OTP / magic-link extraction (wait_for_email, get_verification_code)

At a glance

free tierfree trialAPI

TypeWeb app

DeploymentCloud

PlatformsWeb

ForAI SDR and sales outreach teams, AI customer support platforms, multi-agent framework developers, multi-tenant SaaS products and agencies

CompanyDead Simple Email LLC

Integrations

LangChainCrewAIAutoGenOpenAI Agents SDKLlamaIndexGoogle ADKVercel AI SDKMCP (Claude, Cursor, Windsurf)OpenClawHermes Agent

Resources

Docs

Pricing

Enterprise plan is custom-priced (unlimited inboxes/emails). Overages on paid plans: $0.40 per extra inbox/mo and $0.20 per 1,000 extra emails.

FreeFree

For experiments, prototypes, and early integrations.

5 inboxes, 5,000 emails/month, 500 MB storage

Hobby$5/mo

For solo builders and small product teams.

15 inboxes, 15,000 emails/month, 1 GB storage, 1 custom domain

Pro$29/mo

For teams shipping agent products in production. Most Popular.

100 inboxes, 100,000 emails/month, 5 GB storage, 5 custom domains

Scale$99/mo

For large agent deployments and high-volume sending.

500 inboxes, 500,000 emails/month, 10 GB storage, 25 custom domains

EnterpriseQuote

Custom pricing; contact us.

Unlimited inboxes and emails