title: Email.send issue is email is not defined in Meteor
body: <p>I need to send email by using Meteor. I did the code to regarding send mail. I have added a package email. But I got an error. I have no idea what happening. Check out the error &amp; code below.</p>
  
  <p>Error :</p>
  
  <pre><code>=&gt; Meteor server running on: http://localhost:3000/
  I20140118-10:54:35.900(5.5)? Exception while invoking method 'sendEmail' Referen
  ceError: email is not defined
  I20140118-10:54:35.989(5.5)?     at Meteor.methods.sendEmail (app/loginapp.js:13
  7:39)
  I20140118-10:54:35.989(5.5)?     at maybeAuditArgumentChecks (packages/livedata/
  livedata_server.js:1349)
  I20140118-10:54:35.990(5.5)?     at packages/livedata/livedata_server.js:569
  I20140118-10:54:35.990(5.5)?     at _.extend.withValue (packages/meteor/dynamics
  _nodejs.js:35)
  I20140118-10:54:35.990(5.5)?     at packages/livedata/livedata_server.js:568
  I20140118-10:54:35.992(5.5)?     at _.extend.withValue (packages/meteor/dynamics
  _nodejs.js:35)
  I20140118-10:54:35.992(5.5)?     at _.extend.protocol_handlers.method (packages/
  livedata/livedata_server.js:567)
  I20140118-10:54:35.992(5.5)?     at packages/livedata/livedata_server.js:472
  </code></pre>
  
  <p>JS Code :</p>
  
  <pre><code>if (Meteor.isClient)
   {
    Template.hello.greeting = function () 
    {
      return "Welcome to email.";
    };
  
    Template.hello.events
    ({
      'click input' : function ()
      {
        // template data, if any, is available in 'this'
        if (typeof console !== 'undefined')
          console.log("You pressed the button");
          // In your client code: asynchronously send an email
              Meteor.call('sendEmail',
              '*****@gmail.com',
              '****@gmail.com',
              'Hello from Meteor!',
              'This is a test of Email.send.');
      }
    });
  }
  
  if (Meteor.isServer) 
  {
    Meteor.startup(function () 
    {
      // code to run on server at startup
      process.env.MAIL_URL = 'smtp://****@gmail.com:**password**@smtp.sendgrid.net:587';
  
    });
    Meteor.methods
    ({
    sendEmail: function (to, from, subject, text) 
    {
       console.log("*** sendEmail ***");
  
      // Let other method calls from the same client start running,
      // without waiting for the email sending to complete.
      this.unblock();
  
      Email.send
      ({
        to: to,
        from: from,
        subject: subject,
        text: text
      });
    }
  });
  }
  </code></pre>