(VB.NET) Get SpamAssassin Score for an Email

Uses Postmark’s spam API (a RESTfull interface to the SpamAssassin filter tool) to analyze an email to get a spam score.

Chilkat .NET Downloads

Chilkat .NET Framework

Chilkat for .NET Core

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

Dim success As Boolean

' First build an email to check.
Dim email As New Chilkat.Email
email.Subject = "this is a test"
email.From = "support@chilkatsoft.com"
email.AddTo("John Doe","john@example.com")
email.AddPlainTextAlternativeBody("this is a test")
email.AddHtmlAlternativeBody("<html><body><b>Hello John!</b><p>This is a test</p></body></html>")
success = email.AddFileAttachment2("qa_data/jpg/starfish.jpg","image/jpeg")


' Check this email by implementing this curl command:

' curl -X POST "https://spamcheck.postmarkapp.com/filter"
' -H "Accept: application/json"
' -H "Content-Type: application/json"
' -v
' -d '{"email":"raw dump of email", "options":"short"}'

Dim json As New Chilkat.JsonObject
json.UpdateString("email",email.GetMime())
json.UpdateString("options","short")

Dim http As New Chilkat.Http
Dim resp As Chilkat.HttpResponse = http.PostJson3("https://spamcheck.postmarkapp.com/filter","application/json",json)
If (http.LastMethodSuccess <> True) Then
    Debug.WriteLine(http.LastErrorText)
    Exit Sub
End If


Debug.WriteLine("response status code = " & resp.StatusCode)
Debug.WriteLine("response body: ")
Debug.WriteLine(resp.BodyStr)