imapflow/lib/commands/starttls.js

IMAP Client for Node

'use strict';

// Requests STARTTLS info from server
module.exports = async connection => {
    if (!connection.capabilities.has('STARTTLS') || connection.secureConnection) {
        // nothing to do here
        return false;
    }

    let response;
    try {
        response = await connection.exec('STARTTLS');
        response.next();
        return true;
    } catch (err) {
        connection.log.warn({ err, cid: connection.id });
        return false;
    }
};