import type { DriverFactory, EmailMessage } from "../types.mjs";
import type { AuthMethod } from "./_smtp/auth.mjs";
import { type DkimSignerOptions } from "./_smtp/dkim.mjs";
export type { DkimSignerOptions };
/** User-visible options. See `docs/drivers/smtp.md` (lands with #54) for
*  the full matrix. Defaults favor security: `rejectUnauthorized: true`,
*  AUTO auth, STARTTLS if the server advertises it. */
export interface SmtpDriverOptions {
	host: string;
	port?: number;
	secure?: boolean;
	requireTLS?: boolean;
	user?: string;
	password?: string;
	authMethod?: AuthMethod | "AUTO";
	getAccessToken?: () => Promise<string>;
	rejectUnauthorized?: boolean;
	tls?: import("node:tls").ConnectionOptions;
	localName?: string;
	pool?: boolean;
	maxConnections?: number;
	maxMessagesPerConnection?: number;
	idleTimeoutMs?: number;
	connectionTimeoutMs?: number;
	commandTimeoutMs?: number;
	disposeGraceMs?: number;
	/** Sign outbound messages with DKIM (RFC 6376 / RFC 8463). Accepts a
	*  single signer config or a per-message resolver for multi-tenant
	*  sending. */
	dkim?: DkimSignerOptions | ((msg: EmailMessage) => DkimSignerOptions | null);
}
declare const smtp: DriverFactory<SmtpDriverOptions>;
export default smtp;