verify if email is delivered successfully nodemailer (sails.js)

Question

I'm using nodemailer module to send email in my sails.js project. Now i'm wondering if there is a way that i could know if the email is delivered successfully or the email is somehow failed due to some attachment or may be wrong email address.

how can i make it sure that the email address is valid or not ? or the email is being delivered to the relevant email address successfully or not ?

I've read the nodemailer documentation and also have done some R&D on it but so far i'm not able to find anything productive.

Please let me know if there is a way to confirm about email or not.

Thanks.

Answer 1

It's simple. sendMail has a callback as an argument. You just checking if some error is exists in this callback.

transport.sendMail({}, (error, result) => {
  if (error) return console.error(error);
  return console.log(result);
});

Or you can use sails-service-mailer package for sending mails - https://github.com/ghaiklor/sails-service-mailer. Then you can write your code like this

SmtpMailer
  .send({})
  .then(console.log.bind(console))
  .catch(console.error.bind(console));

If you want to check pool or something then there is no possibility, I suppose. If you send mail to non-existing email address it sends as usual, just not be received by recipient. Anyway, you can check if mail was added to pool only.

UPD: transport has a Promise API as well (see https://nodemailer.com/usage/) so there is no need in custom wrappers like mine sails-service-mailer anymore.