allows for auth to be specified as true with no options

src/collections/sanitize.js

@@ -229,6 +229,7 @@ const sanitizeCollection = (collections, collection) => {
   }
 
   if (collection.auth) {
+    if (collection.auth === true) sanitized.auth = {};
     if (!sanitized.hooks.beforeLogin) sanitized.hooks.beforeLogin = [];
     if (!sanitized.hooks.afterLogin) sanitized.hooks.afterLogin = [];
     if (!collection.auth.forgotPassword) sanitized.auth.forgotPassword = {};

src/email/build.js

@@ -2,7 +2,7 @@ const nodemailer = require('nodemailer');
 const mockHandler = require('./mockHandler');
 
 async function buildEmail() {
-  if (this.config.email.transport === 'mock') {
+  if (!this.config.email || this.config.email.transport === 'mock') {
     const mockAccount = await mockHandler(this.config.email);
     return mockAccount;
   }