Deliverability, email infrastructure, and the awkward questions that come up when an agent holds a sending credential. Written for people who have to make it work.
AI agentsArchitectureAuthenticationBullMQBunComplianceDNSDeliverabilityMCPNodePostgresReputationSecurity
Every email MCP server on the market hands your agent the full platform. That is a capability claim with no control story — and it is the reason your engineering lead keeps saying no.
Three records, endlessly confused with each other. Here is the mental model that makes them stop being confusing, and the two mistakes that cause most failures.
Nodemailer is excellent at composing and transmitting a message. Almost every production incident I have seen with it is about the code around it, not the library.