I am using CSharp to create the send email function, now my problem is cannot work if I want bold the selected text. Below is my sample code:
string emailSubject = $"Welcome to ABC company";
string emailBody = $"<b>Username:</b> {username}\n" +
$"<b>Password:</b> {userNewPassword}\n\n" +
The outcome result shows me in the email like below picture: