import { iReceiver, type iReceiverConfig } from './ireceiver.js';
export interface SmtpReceiverConfig extends iReceiverConfig {
    port: number;
}
export declare class SmtpReceiver extends iReceiver {
    private smtp;
    static getConfig(cfg?: Partial<SmtpReceiverConfig>): SmtpReceiverConfig;
    start: () => void;
    close: () => void;
}