send_email.js

/** Sends an email.
 * Usage:
  var message = {
    server:         'smtp.office365.com',
    port:           25, // Don't include the port if you are targeting office365
    username:       '[email protected]',
    password:       'secret',
    usessl:         true, // Set to true if you are targeting office365
    headers:        { 'X-Custom': 'value' }
    from:           '[email protected]',
    to:             '[email protected]',
    isHighPriority: true,
    attachments:    ['c:/absolute/path/to/filename.txt'],
    subject:        'Statement',
    body:           '<b>Yo</b><br>This is a new statement'
  }
  sendEmail(message);
*/
function sendEmail(options) {
  // Setup configuration
  var schema = 'http://schemas.microsoft.com/cdo/configuration/';

  var config = new ActiveXObject('CDO.Configuration');
  config.Fields.Item(schema + 'sendusing') = options.sendUsing || 2;
  config.Fields.Item(schema + 'smtpserver') = options.server;
  if (options.port != undefined)
    config.Fields.Item(schema + 'smtpserverport') = options.port;
  if (options.usessl != undefined)
    config.Fields.Item(schema + 'smtpusessl') = options.usessl;
  if (options.username && options.password) {
    config.Fields.Item(schema + 'smtpauthenticate') = 1
    config.Fields.Item(schema + 'sendusername') = options.username;
    config.Fields.Item(schema + 'sendpassword') = options.password;
  }
  config.Fields.Update();

  // Setup message
  var message = new ActiveXObject("CDO.Message");
  message.Configuration = config;
  message.From          = options.from;
  message.To            = options.to;
  message.Subject       = options.subject;
  message.HTMLBody      = options.body;

  if (options.isHighPriority) {
    /* 0 = Low, 1 = Normal, 2 = High */
    message.Fields.Item('urn:schemas:mailheader:X-MSMail-Priority') = 'High'
    message.Fields.Item('urn:schemas:mailheader:X-Priority') = 2
    message.Fields.Item('urn:schemas:httpmail:importance') = 2
  }

  if (options.headers) {
    for (var key in options.headers) {
      var value = options.headers[key];
      message.Fields('urn:schemas:mailheader:' + key) = value;
    }
  }

  if (options.attachments) {
    for (var k in options.attachments) {
      var attachment = options.attachments[k];
      message.AddAttachment(attachment);
    }
  }

  message.Fields.Update();
  message.Send();
}