static void EmbedImages(){//create the mail message
MailMessage mail = new MailMessage();
//set the addresses
mail.From = new MailAddress("me@mycompany.com");mail.To.Add("you@yourcompany.com");
//set the content
mail.Subject = "This is an email";
//first we create the Plain Text part
AlternateView plainView = AlternateView.CreateAlternateViewFromString("This is my plain text content, viewable by those clients that don't support html", null, "text/plain");
//then we create the Html part
//to embed images, we need to use the prefix 'cid' in the img src value
//the cid value will map to the Content-Id of a Linked resource.
//thus <img src='cid:companylogo'> will map to a LinkedResource with a ContentId of 'companylogo'
AlternateView htmlView = AlternateView.CreateAlternateViewFromString("Here is an embedded image.<img src=cid:companylogo >", null, "text/html");
//create the LinkedResource (embedded image)
LinkedResource logo = new LinkedResource( "c:\\temp\\logo.gif" );logo.ContentId = "companylogo";
//add the LinkedResource to the appropriate view
htmlView.LinkedResources.Add(logo);
//add the views
mail.AlternateViews.Add(plainView);mail.AlternateViews.Add(htmlView);
//send the message
SmtpClient smtp = new SmtpClient("127.0.0.1"); //specify the mail server addresssmtp.Send(mail);}