I have implmented  HTML Formatted Template in asp.net using below aspsnippets article :

Create and send HTML Formatted Emails in ASP.Net using C# and VB.Net

Now I want to apply google font on some content how to do it?

I have given refernce of google font and also applied inline CSS but its not working, In mail it shows regular font

font CSS refernce :

<link href="https://fonts.googleapis.com/css2?family=Poppins&display=swap" rel="stylesheet"> 

insline CSS : font-family: 'Poppins', sans-serif;

font working on local machine but not on sent email how to apply it in email also?