diff --git a/README.md b/README.md
index bc4538b..6025acc 100644
--- a/README.md
+++ b/README.md
@@ -8,11 +8,34 @@ Using npm: `npm install strapi-provider-email-mailtrap --save`
 
 Using yarn: `yarn add strapi-provider-email-mailtrap`
 
+## Prerequisites
+
+- You need a Mailtrap account: https://mailtrap.io
+- From the inbox page get your `username` and `password`.
+
+
 ## How to use it
 
-1. You need a Mailtrap account: https://mailtrap.io
-2. From the inbox page get your `username` and `password`.
-3. From your strapi admin panel go to the `plugins` page.
-4. Click on the settings on the email row.
-5. Chose `Mailtrap` as provider for your development/staging env.
-6. Fill the form with your info.
\ No newline at end of file
+Instruct the email plugin to use the mailtrap provider.
+
+```javascript
+module.exports = ({ env }) => ({
+  // ...
+  email: {
+    provider: 'mailtrap',
+    providerOptions: {
+      user: env('MAILTRAP_USER', 'default_user'),
+      password: env('MAILTRAP_PASSWORD', 'default_pass')
+    },
+    settings: {
+      defaultFrom: env('MAILTRAP_DEFAULT_FROM', 'default@value.com'),
+      defaultReplyTo: env('MAILTRAP_DEFAULT_REPLY_TO', 'default@value.com'),
+    },
+  }
+  // ...
+});
+```
+
+If you want to use it in every environment, you should add the above code to `config/plugins.js`.
+
+If you want to use it in a certain environment, you should add the above code to `config/env/plugins.js`.
diff --git a/lib/index.js b/lib/index.js
index cdddea1..8380a0d 100644
--- a/lib/index.js
+++ b/lib/index.js
@@ -1,56 +1,31 @@
 'use strict';
 
-/**
- * Module dependencies
- */
-
 // Public node modules.
 const nodemailer = require('nodemailer');
 const { removeUndefined } = require('strapi-utils');
 
-/* eslint-disable no-unused-vars */
 module.exports = {
-  provider: 'mailtrap',
-  name: 'Mailtrap',
-  auth: {
-    mailtrapDefaultFrom: {
-      label: 'Mailtrap Default From',
-      type: 'text',
-    },
-    mailtrapReplyTo: {
-      label: 'Mailtrap Reply To',
-      type: 'text',
-    },
-    mailtrapUser: {
-      label: 'Mailtrap user',
-      type: 'text'
-    },
-    mailtrapPassword: {
-      label: 'Mailtrap password',
-      type: 'text'
-    }
-  },
-  init: (providerOptions= {}, settings= {}) => {
+  init: (providerOptions = {}, settings = {}) => {
     const transport = nodemailer.createTransport({
       host: "smtp.mailtrap.io",
       port: 2525,
       auth: {
-        user: providerOptions.mailtrapUser || "",
-        pass: providerOptions.mailtrapPassword || "",
+        user: providerOptions.user || "",
+        pass: providerOptions.password || "",
       }
     });
 
     return {
-      send: async options => {
+      send: options => {
         return new Promise((resolve, reject) => {
           const { from, to, cc, bcc, replyTo, subject, text, html, ...rest } = options;
 
           let msg = {
-            from: from || settings.mailtrapDefaultFrom,
+            from: from || settings.defaultFrom,
             to,
             cc,
             bcc,
-            replyTo: replyTo || settings.mailtrapReplyTo,
+            replyTo: replyTo || settings.defaultReplyTo,
             subject,
             text,
             html,
@@ -60,9 +35,9 @@ module.exports = {
           transport.sendMail(removeUndefined(msg), (err, info) => {
             if (err) {
               strapi.log.error('[strapi-provider-email-mailtrap] err', err)
-              reject([{ messages: [{ id: 'Auth.form.error.email.invalid' }] }]);
+              reject(err);
             } else {
-              strapi.log.debug('[strapi-provider-email-mailtrap] Mail sent. Id: ', info.messageId)
+              strapi.log.trace('[strapi-provider-email-mailtrap] Mail sent. Id: ', info.messageId)
               resolve();
             }
           });
@@ -70,4 +45,4 @@ module.exports = {
       },
     };
   },
-};
+};
\ No newline at end of file
diff --git a/package.json b/package.json
index 4b66a1b..26e06e9 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "strapi-provider-email-mailtrap",
-  "version": "3.0.1",
+  "version": "3.1.5",
   "description": "Mailtrap provider for strapi email",
   "keywords": [
     "email",