(.NET Core C#) Embed Image in HTML Email

Demonstrates how to create and send an HTML email with an embedded image.

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// This example requires the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.

// The mailman object is used for sending and receiving email.
Chilkat.MailMan mailman = new Chilkat.MailMan();

// Set the SMTP server.
mailman.SmtpHost = "smtp.comcast.net";

// Create a new email object
Chilkat.Email email = new Chilkat.Email();

// Add an embedded image to the HTML email.
string fileOnDisk = "images/dude2.gif";
string filePathInHtml = "dudeAbc.gif";

// Embed the GIF image in the email.
bool success = email.AddRelatedFile2(fileOnDisk,filePathInHtml);
if (success != true) {
    Debug.WriteLine(mailman.LastErrorText);
    return;
}

// The src attribute for the image tag is set to the filePathInHtml:
string htmlBody = "<html><body>Embedded Image:<br><img src=\"dudeAbc.gif\"></body></html>";

// Set the basic email stuff: HTML body, subject, "from", "to"
email.SetHtmlBody(htmlBody);
email.Subject = ".NET Core C# HTML email with an embedded image.";
success = email.AddTo("Admin","admin@chilkatsoft.com");
email.From = "Chilkat Support <support@chilkatsoft.com>";

success = mailman.SendEmail(email);
if (success != true) {
    Debug.WriteLine(mailman.LastErrorText);
}
else {
    Debug.WriteLine("Mail Sent!");
}