closes #3926

src/user/email.js

@@ -32,7 +32,7 @@ var async = require('async'),
 		var confirm_code = utils.generateUUID(),
 			confirm_link = nconf.get('url') + '/confirm/' + confirm_code;
 
-		var emailInterval = 10;
+		var emailInterval = meta.config.hasOwnProperty('emailConfirmInterval') ? parseInt(meta.config.emailConfirmInterval, 10) : 10;
 
 		async.waterfall([
 			function(next) {

src/views/admin/settings/user.tpl

@@ -18,6 +18,12 @@
 				</label>
 			</div>
 
+			<div class="form-group form-inline">
+				<label for="emailConfirmInterval">User may not resend a confirmation email until</label>
+				<input class="form-control" data-field="emailConfirmInterval" type="number" id="emailConfirmInterval" placeholder="Default: 10" value="10" />
+				<label for="emailConfirmInterval">minutes have elapsed</label>
+			</div>
+
 			<div class="form-group">
 				<label>Allow login with</label>
 				<select class="form-control" data-field="allowLoginWith">