enabled Gmail routing for email fallback

src/emailer.js

@@ -14,13 +14,26 @@ var	async = require('async'),
 	translator = require('../public/src/modules/translator'),
 
 	transports = {
-		direct: nodemailer.createTransport('direct')
+		direct: nodemailer.createTransport('direct'),
+		gmail: undefined
 	},
 	app;
 
 (function(Emailer) {
 	Emailer.registerApp = function(expressApp) {
 		app = expressApp;
+
+		// Enable Gmail transport if enabled in ACP
+		if (parseInt(meta.config['email:GmailTransport:enabled'], 10) === 1) {
+			transports.gmail = nodemailer.createTransport('SMTP', {
+				service: 'Gmail',
+				auth: {
+					user: meta.config['email:GmailTransport:user'],
+					pass: meta.config['email:GmailTransport:pass']
+				}
+			});
+		}
+
 		return Emailer;
 	};
 
@@ -101,7 +114,8 @@ var	async = require('async'),
 		data.text = data.plaintext;
 		delete data.plaintext;
 
-		transports.direct.sendMail(data, callback);
+		winston.verbose('[emailer] Sending email to uid ' + data.uid);
+		transports[transports.gmail ? 'gmail' : 'direct'].sendMail(data, callback);
 	};
 
 	function render(tpl, params, next) {

src/views/admin/settings/email.tpl

@@ -4,9 +4,6 @@
 	<div class="col-sm-2 col-xs-12 settings-header">Email Settings</div>
 	<div class="col-sm-10 col-xs-12">
 		<form>
-			<p>
-				Please ensure that you have installed a third-party emailer (e.g. PostageApp, Mailgun, Mandrill, SendGrid, etc), otherwise emails will not be sent by NodeBB
-			</p>
 			<div class="form-group">
 				<label for="email:from"><strong>Email Address</strong></label>
 				<p class="help-block">
@@ -25,6 +22,31 @@
 	</div>
 </div>
 
+<div class="row">
+	<div class="col-sm-2 col-xs-12 settings-header">Gmail Routing</div>
+	<div class="col-sm-10 col-xs-12">
+		<form>
+			<div class="checkbox">
+				<label for="email:GmailTransport:enabled" class="mdl-switch mdl-js-switch mdl-js-ripple-effect">
+					<input class="mdl-switch__input" type="checkbox" id="email:GmailTransport:enabled" data-field="email:GmailTransport:enabled" name="email:GmailTransport:enabled" />
+					<span class="mdl-switch__label">Route emails through a Gmail/Google Apps account</span>
+				</label>
+			</div>
+			<div class="form-group">
+				<label for="email:GmailTransport:user"><strong>Username</strong></label>
+				<input type="text" class="form-control input-lg" id="email:GmailTransport:user" data-field="email:GmailTransport:user" placeholder="admin@example.org" /><br />
+				<p class="help-block">
+					Enter the full email address here, especially if you are using a Google Apps managed domain.
+				</p>
+			</div>
+			<div class="form-group">
+				<label for="email:GmailTransport:pass"><strong>Password</strong></label>
+				<input type="password" class="form-control input-lg" id="email:GmailTransport:pass" data-field="email:GmailTransport:pass" /><br />
+			</div>
+		</form>
+	</div>
+</div>
+
 <div class="row">
 	<div class="col-sm-2 col-xs-12 settings-header">Edit Email Template</div>
 	<div class="col-sm-10 col-xs-12">