module.exports = {
    ...
    reporters: [
        "default",
        ["jest-email-reporter", {
            from: 'from@example.com',
            to: 'to@example.com',
            subject: 'Optional subject', // optional
            reportIfSuccess: true, // optional, default is false; it send e-mail message if tests were successful
        }]
    ],
    ...
}