Testing

Go to: Email > Testing to find the Test Center containing:

Check Email – Perform general checks on the email to see if anything is missing before sending.
Test Send – Send test emails to any email address using the default Recipient's content.
Inbox Testing – test delivery to popular email clients.
Email Preview (by Litmus) – Use Litmus Email Preview.
Spam Check – Check for potential issues which might be stopping your email reaching the inbox.

The sub-tabs down the left allow you to jump between any test to another.