Blog
Blog
Agent email infrastructure, deliverability, and the guardrails that keep autonomous agents from doing things you didn't ask for.
2026-04-17One API Call: Send, Check, Deliver, TrackA single POST to /v1/agent/request-send runs policy checks, renders the template, delivers the email, and returns a decision trace. Here is what happens inside that one call.2026-04-15Dunning and Billing Recovery with AI AgentsFailed payments are recoverable revenue. Here is how AI agents can run dunning sequences that auto-stop on payment, respect suppression lists, and don't burn your sender reputation.2026-04-13Multi-Provider Failover: Never Depend on One ESPEmail delivery outages happen. A single-provider setup means your agent stops sending the moment that provider goes down. Here is how multi-provider failover works and why it matters for AI agents.2026-04-10How AI Agents Send Email Today (and Why It's Broken)A concrete look at the four patterns teams use to wire AI agents into email, why each one falls short, and what the infrastructure actually needs to handle.2026-04-08Rate Limiting and Cooldowns: Protecting Sender ReputationAI agents can spike email volume in seconds. Here is how multi-window rate limiting and cooldown enforcement protect your sender reputation before it is too late.2026-04-07Molted is Now an MCP Server: Give Your Agent a Policy-Enforced Mailbox in One LineThe @molted/mcp package exposes 25 tools, 8 resources, and 5 prompts to any MCP-compatible runtime. Claude Desktop, Cursor, VS Code, Windsurf - one npx line.2026-04-06Automated Churn Prevention with AI AgentsMost teams detect churn too late and respond with too much email. Here is how AI agents can run effective churn prevention without burning your sender reputation.2026-04-03How We Scan for Prompt Injection in Email PipelinesWhen an AI agent reads email, the content is untrusted input that can manipulate the model. Here is how Molted's inbound pipeline detects and quarantines injection attempts.2026-04-02What's New: Free Tier, Broadcast Send, and Full Mailbox ControlMolted now has a permanent free tier, a broadcast send API for lists, a contact capture endpoint, and full mailbox management - delete, clone, pause, and more.2026-04-01Email Deliverability for AI Agents: A Technical GuideDeliverability for AI agents fails differently than for humans. Here is what actually threatens inbox placement when your sender is autonomous, and how to fix it.2026-03-30Resend vs Postmark vs Molted: Which Email API for AI Agents?Resend and Postmark are excellent transport APIs. But transport is not the problem. Here is what actually matters when your sender is an AI agent.2026-03-27AI-Powered Outbound Prospecting That Doesn't SpamHow to build outbound agents with policy guardrails - rate limits, suppression lists, consent tracking, and decision traces that prevent reputation damage.2026-03-25Autonomy Levels: From Human-Approved to Fully AutonomousHow to configure AI agent autonomy levels in email: full approval for new agents, first-contact for experienced ones, and full auto for production.2026-03-23Building an Email Pipeline for AI AgentsA complete architecture guide: API authentication, policy enforcement, delivery infrastructure, and outcome attribution for agent-native email.2026-03-20The Policy Rules That Protect Your Sender ReputationEvery send request passes through 20+ policy checks before it reaches the wire. Here is what each rule does, why it exists, and how they work together to keep your domain off blocklists.2026-03-18How AI Agents Handle Inbound RepliesYour agent sent the email. Someone replied. Now what? A look at the inbound pipeline that classifies intent, scans for prompt injection, and tells your agent what to do next.2026-03-17AI Agent Onboarding Emails: The Complete GuideHow to build an event-driven onboarding sequence where your AI agent sends the right email at the right milestone - with policy enforcement at every step.2026-03-13What Happens When an AI Agent Over-SendsA single runaway agent can burn a sending reputation that took months to build. Here is the anatomy of an over-send incident — and what the infrastructure should have caught.2026-03-10How to Send Your First Policy-Checked EmailA step-by-step tutorial: sign up, get an API key, simulate a send, then send for real — with every step policy-checked.2026-03-07What Is Agent-Native Email?Email infrastructure was built for humans. AI agents need something different — an email layer designed for programmatic senders with built-in policy enforcement.2026-03-05One-Click Domain Setup with Domain ConnectYour AI agent can now set up a custom sending domain for your users with a single link. No DNS copy-pasting required.2026-03-01Why AI Agents Need Email GuardrailsAI agents are getting access to outbound email. Most of them have zero policy enforcement. That is going to end badly.