type ESP = 'postmark' | 'brevo' | 'nodemailer' | 'emailserviceviewer' | 'emailserviceviewerlocal' | 'resend';
export type ConfigPostmark = {
    esp: 'postmark';
    stream: string;
    apiKey: string;
    logger?: boolean;
};
export type ConfigBrevo = {
    esp: 'brevo';
    apiKey: string;
    logger?: boolean;
};
export type ConfigNodeMailer = {
    esp: 'nodemailer';
    host: string;
    port: number;
    secure?: boolean;
    logger?: boolean;
    debug?: boolean;
    auth: {
        user: string;
        pass: string;
    };
};
export type ConfigEmailServiceViewer = {
    esp: 'emailserviceviewer' | 'emailserviceviewerlocal';
    apiToken: string;
    webhook: string;
    logger?: boolean;
};
export type ConfigResend = {
    esp: 'resend';
    apiKey: string;
    logger?: boolean;
};
export type ConfigMinimal = {
    esp: ESP;
    logger?: boolean;
};
export type Config = ConfigPostmark | ConfigBrevo | ConfigNodeMailer | ConfigEmailServiceViewer | ConfigResend;
export {};