newsletter.js

Newsletter.prototype.send = function send(){
	var self = this,
		mailCount = 0,
		mailMax = this.people.length;
  
  // people, from, subject, text and html are set before sending the mails
	_.forEach(this.people, function(to){
		var mail = {
		    from: this.from,
		    to: to,
		    subject: this.subject,
		    text: this.text,
		    html: this.html
		};
		
		// transport is set before using config variables and the nodemailer createTransport function
		this.transport.sendMail(mail, function(err, info){
			if(err){
				self.emit('mailFailed', err, mail);
			}else{
				self.emit('mailSent', info, mail);
			}

			mailCount++;

			if(mailCount === mailMax){ 
				self.emit('newsletterSent');
			}
		});
	});
};