Email template - table background image not displaying in MS Office Outlook 365

For the purpose of an email template, I need to implement a background image in the <table> and its contain texts over image. Now I have tried:

https://stackoverflow.com/a/15620571/6191987

<!--[if gte mso 9]>
<v:background xmlns:v="urn:schemas-microsoft-com:vml" fill="t">
<v:fill type="tile" src="http://i.imgur.com/n8Q6f.png" color="#f6f6f6"/>
</v:background>
<![endif]-->

Its not working latest versions of MS Outlook (Version 16005.11029.20108.0& Version 1908 Build 11929.20562),

But working fine with older versions.

Any new method to solve this problem?