import nodemailer from "nodemailer";
import type SMTPTransport from "nodemailer/lib/smtp-transport/index.js";
import type { App } from "../main.js";
import Mailer from "./mailer.js";
import type { MessageData } from "./message.js";
export default class SmtpMailer extends Mailer {
    mail_config: {
        from_name: string;
        from_address: string;
    };
    transport: nodemailer.Transporter;
    constructor(config: {
        host: string;
        port: number;
        user: string;
        password: string;
    }, additional_options?: SMTPTransport.Options);
    verify(): Promise<true>;
    init(app: App): Promise<void>;
    sendEmail({ to, subject, text, html, from_name, attachments, replyTo, }: MessageData & {
        from_name: string;
    }): Promise<any>;
    static default_config: {
        host: null;
        port: null;
        user: null;
        password: null;
    };
}