1. Click on Start the Wizard in the Post SMTP.

2. Write your Name and Email Address in the required field and click Next.

3. Click Next.

4. Select Mandrill and click Next.

5. If you are using Mandrill for the first time just signup and if you are an existing member login in to your account.

6. Click on the settings tab in the Mandrill account and Click on the New API key.

7. Write the description of the API key and click on the check box of the Test key. Click on Create API Key. A window will appear with the API key will appear. Just copy that and now navigate back to Post SMTP setup.

8. Paste the API key in the required key and click next.

9. Click Next and then click Finish.

10. Click on Send a test email. Fill in the required field and click Next.

11. You will see the success message. Click Finish.