Lianja

Add an HTML Alternative Body to an Email

Demonstrates the Chilkat Email.AddHtmlAlternativeBody method, which adds an HTML alternative body. Combined with a plain-text body, it produces a multipart/alternative email that offers both representations of the same content. This example sets a plain-text body, adds an HTML alternative, and prints the resulting alternative count.

Background: A well-formed HTML email usually ships two versions of the body: a rich HTML version and a plain-text fallback, wrapped in a multipart/alternative container. The receiving client displays whichever it prefers — modern clients show the HTML, while text-only clients (or spam filters and accessibility tools) use the plain text. Providing both improves deliverability and ensures every recipient can read the message.

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//  Demonstrates the AddHtmlAlternativeBody method, which adds an HTML alternative body to
//  the email.  Combined with a plain-text body, this produces a multipart/alternative
//  email that offers both representations.

loEmail = createobject("CkEmail")
loEmail.Subject = "Plain-text and HTML alternatives"

//  Start with a plain-text body.
loEmail.SetTextBody("This is the plain-text version of the message.","text/plain")

//  Add an HTML alternative, creating a multipart/alternative email.
loEmail.AddHtmlAlternativeBody("<html><body><b>This is the HTML version.</b></body></html>")

? "NumAlternatives = " + str(loEmail.NumAlternatives)


release loEmail