Show logo in email inbox

Yes, you can send a logo to your users on email template. A template must be an HTML table format.

NOTE: Please check before sending an email set header properly and email are not spam if your email sends on spam than google auto hide your images from your email content (logo etc). if your email continues to send on spam than contact your service provider

You say if i add image to template email html,yahoo or google detect it and show it instead of default logo?