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Sending email to multiple recipients via nodemailer

I am trying to send email to multiple recipients. For this I have created an array of recipients, but with my code I am only able to send mail to last email ID of the array three times. What's wrong with my code?

var nodemailer = require("nodemailer");

var smtpTransport = nodemailer.createTransport(
"SMTP",{
  host: '',
  //  secureConnection: true,         // use SSL
  port: 25
});

var maillist = [
  '****.sharma3@****.com',
  '****.bussa@****.com',
  '****.gawri@****.com',
];

var msg = {
    from: "******", // sender address
    subject: "Hello ✔", // Subject line
    text: "Hello This is an auto generated Email for testing  from node please ignore it  ✔", // plaintext body
    cc: "*******"    
    //  html: "<b>Hello world ✔</b>" // html body
}


maillist.forEach(function (to, i , array) {
  msg.to = to;

  smtpTransport.sendMail(msg, function (err) {
    if (err) { 
      console.log('Sending to ' + to + ' failed: ' + err);
      return;
    } else { 
      console.log('Sent to ' + to);
    }

    if (i === maillist.length - 1) { msg.transport.close(); }
  });
});
over 4 years ago · Santiago Trujillo
3 answers
Answer question

0

nodemailer (v2.4.2) docs say:

to - Comma separated list or an array of recipients e-mail addresses that will appear on the To: field

so you can just do:

var maillist = [
  '****.sharma3@****.com',
  '****.bussa@****.com',
  '****.gawri@****.com',
];

var msg = {
    from: "******", // sender address
    subject: "Hello ✔", // Subject line
    text: "Hello This is an auto generated Email for testing  from node please ignore it  ✔", // plaintext body
    cc: "*******",
    to: maillist
}
over 4 years ago · Santiago Trujillo Report

0

As far as I know you will be able to get multiple recipients like this

"mail1@mail.com,mail2@mail.com,mail3@mail.com,mail4@mail.com"

So why you don't do something like

var maillist = '****.sharma3@****.com, ****.bussa@****.com, ****.gawri@****.com';

var msg = {
    from: "******", // sender address
    to: maillist,
    subject: "Hello ✔", // Subject line
    text: "Hello This is an auto generated Email for ...  ✔", // plaintext body
    cc: "*******"    
    //  html: "<b>Hello world ✔</b>" // html body
}

I have already tried and it is working. Furthermore, from my point of view, why you have to worry about "asynchronously" or sending emails 1K times if you have the capability of sending all of them only in once without any complication?

Anyway hope this help, answer your question or it may help somebody else

Surely, my answer can be improved..

over 4 years ago · Santiago Trujillo Report

0

Your problem is referencing the same msg object from async code. The foreach completes before the sendMail would send out the emails.

So msg.to wil be the last item from the maiilist object.

Try to clone/copy msg inside maillist foreach, or just move msg definition to there :

maillist.forEach(function (to, i , array) {


  var msg = {
        from: "******", // sender address
        subject: "Hello ✔", // Subject line
        text: "Hello This is an auto generated Email for testing  from node please ignore it  ✔", // plaintext body
        cc: "*******"    
        //  html: "<b>Hello world ✔</b>" // html body
    }
  msg.to = to;

  smtpTransport.sendMail(msg, function (err) {
over 4 years ago · Santiago Trujillo Report
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