import type { Email, SMTPConfig } from "./AuthTypes";
import * as nodemailer from "nodemailer";
import type SESTransport from "nodemailer/lib/ses-transport";
type SESTransporter = nodemailer.Transporter<SESTransport.SentMessageInfo, SESTransport.Options>;
type SMTPTransporter = nodemailer.Transporter<nodemailer.SentMessageInfo, nodemailer.TransportOptions>;
type Transporter = SESTransporter | SMTPTransporter;
export declare const getEmailSender: (smptConfig: SMTPConfig, websiteUrl: string) => Promise<{
    sendEmail: (email: Email) => Promise<unknown>;
}>;
/**
 * Returns a transporter from cache or creates a new one
 */
export declare const getOrSetTransporter: (smptConfig: SMTPConfig) => Transporter;
export declare const verifySMTPConfig: (smptConfig: SMTPConfig) => Promise<unknown>;
export {};
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