System.net.mail isbodyhtml = true vs two alternatives / drawbacks AlternateViews

Question

Here is a usage example:

I am making an application that will send HTML email newsletters. The application will also send an electronic version of the newsletter as an alternative submission. As I see it, there are two ways to get around this using the system.net.mail namespace. What are the advantages / disadvantages of these two methods, or is there another way that I am missing? Thank.

Dim m As New MailMessage
' One alternate view'
m.IsBodyHtml = True
m.Body = HTMLString
m.AlternateViews.Add(AlternateView.CreateAlternateViewFromString(plaintextstring), Nothing, "text/plain")
' OR two alternate views without specifying the body '
m.AlternateViews.Add(AlternateView.CreateAlternateViewFromString(plaintextstring), Nothing, "text/plain")
m.AlternateViews.Add(AlternateView.CreateAlternateViewFromString(HTMLstring), Nothing, "text/html")

Answer 1

No, these are two ways to do this, you can also set the following for alternative views, as there may be strange side effects for different clients, if not.

AlternativeObject.TransferEncoding = System.Net.Mime.TransferEncoding.QuotedPrintable;