Sales emails are not being sent

• Please uninstall the extension completely
• After this, check whether sales emails are being sent as intended (without the extension), and that your sales emails settings are configured correctly. Resolve any issues then reinstall Fooman Email Attachments
• If the issue persists, enable System > Configuration > Developer > Logs and check for any error messages in relation to the sending of emails
• Also check your server's error log for any clues