gistfile1.js

var default_settings = {
    host            : "HOST",
    port            : "PORT",
    username        : "USER",
    password        : "PASSWORD",
    encrypt         : false
};

var SMTP_DEBUG = false;

function mail(sender, recipients, subject, body, attachments, headers, settings)
{
    if (!settings)
        var settings = default_settings;
    
    var props = new Packages.java.util.Properties();
    
    props.put("mail.smtp.host", settings.host);
    props.put("mail.smtp.port", settings.port);
    
    props.put("mail.smtp.user", settings.username);
    props.put("mail.smtp.auth", "true");
    props.put("mail.from", sender);
    
    if (SMTP_DEBUG)
        props.put("mail.debug", "true");
    
    if (settings.encrypt)
    {
        if (settings.port == 465)
        {
            props.put("mail.smtp.socketFactory.port", settings.port);
            props.put("mail.smtp.socketFactory.class", "javax.net.ssl.SSLSocketFactory");
            props.put("mail.smtp.socketFactory.fallback", "false");
            props.put("mail.smtp.ssl", "true");
        }
        else if (settings.port == 587)
        {
            props.put("mail.smtp.starttls.enable", "true");
        }
    }
    
    var session = Packages.javax.mail.Session.getInstance(props, 
        new JavaAdapter(Packages.javax.mail.Authenticator, {
            getPasswordAuthentication: function() {
                return new Packages.javax.mail.PasswordAuthentication(settings.username, settings.password);
            }
        })
    );
    
    if (SMTP_DEBUG)
        session.setDebug(true);
    
	print("Mailing (sender="+sender+", recipients="+recipients+", subject="+subject+")");
	
    try {
        var message = new Packages.javax.mail.internet.MimeMessage(session);
        
        message.setFrom();
        message.setRecipients(Packages.javax.mail.Message.RecipientType.TO, recipients);
        message.setSubject(subject);
        
        if (headers)
        {
            for (var header in headers)
            {
                //mail.Headers.Add("Reply-To", "alternate_email@mycompany.com" );
                message.addHeader(header, headers[header]);
            }
        }
        
        var mp = new Packages.javax.mail.internet.MimeMultipart();
        
        var mbp = new Packages.javax.mail.internet.MimeBodyPart();
        mbp.setText(body);
        mp.addBodyPart(mbp);
        
        if (typeof attachments == "string")
            attachments = [attachments];
        
        for (var i = 0; attachments && i < attachments.length; i++)
        {
            print("attaching " + attachments[i]);
            var mbp = new Packages.javax.mail.internet.MimeBodyPart();
            var fds = new Packages.javax.activation.FileDataSource(attachments[i]);
            mbp.setDataHandler(new Packages.javax.activation.DataHandler(fds));
            mbp.setFileName(fds.getName());
            mp.addBodyPart(mbp);
        }
    
        message.setContent(mp);
        message.setSentDate(new Date());
        Packages.javax.mail.Transport.send(message);
        
    } catch (e) {
        print("Mailing failed, exception: " + e);
        return false;
    }
    return true;
}