Update email plugin config

config/plugins.js

@@ -1,5 +1,6 @@
 module.exports = ({env}) => ({
   email: {
+    config: {
       provider: 'nodemailer',
       providerOptions: {
         host: env('SMTP_HOST', 'smtp.example.com'),
@@ -8,6 +9,7 @@ module.exports = ({env}) => ({
           user: env('SMTP_USERNAME'),
           pass: env('SMTP_PASSWORD'),
         }
+      }
     },
     settings: {
       defaultFrom: env('SMTP_FROM'),