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MailPace

Configure MailPace with supported headers, attachment types and tags.

Import mailpaceEmailLayer from @corven/email-sdk/mailpace to provide the common Email service for this account.

Configure the account

import { Layer } from "effect";
import type { Redacted } from "effect";
import { mailpaceEmailLayer } from "@corven/email-sdk/mailpace";
import { emailHttpLayer } from "./sending.js";

export const configuredMailpaceAccount = (serverToken: Redacted.Redacted) =>
  mailpaceEmailLayer({ serverToken }).pipe(Layer.provide(emailHttpLayer));

The example reuses the explicit HTTP Layer. Acquire credentials in trusted host code, then provide this account Layer to your sending program.

Message behavior

  • Use serverToken for this entrypoint, not the apiKey option used by other providers.
  • Only In-Reply-To, References and List-Unsubscribe custom headers are accepted. Use one plain reply-to address.
  • Attachments require explicit MIME types and a supported filename extension. The adapter accepts tags but not common metadata or scheduling.
  • The pending acknowledgment ID is a correlation handle, not delivery evidence.

Idempotency

Idempotency keys are not supported. The SDK does not retry requests with unknown submission outcomes. Reconcile the result in your application before sending again.

Read field support before switching accounts, and receipts and retries before adding recovery behavior. Configuration and local validation do not authenticate the account or prove delivery.