CRAM-MD5 authentication for Nodemailer

Nodemailer 5+ allows to use custom authentication mechanisms. While there is no support in Nodemailer for CRAM-MD5 then it can be provided with an addon.

Install

Requires Nodejs v8.0.0 or newer

``
npm install nodemailer-cram-md5
`

Usage

`
const nodemailer = require('nodemailer');
const nodemailerCramMd5 = require('nodemailer-cram-md5');

let transporter = nodemailer.createTransport({
host: 'smtp.example.com',
port: 465,
secure: true,
auth: {
type: 'custom',
method: 'CRAM-MD5',
user: 'username',
pass: 'verysecret'
},
customAuth: {
'CRAM-MD5': nodemailerCramMd5
}
});

transporter.sendMail({
from: 'sender@example.com',
to: 'recipient@example.com',
subject: 'hello world!',
text: 'hello!'
}, console.log)
``