Sample code for 30+ languages & platforms
VBScript

SMTP XOAUTH2 Authentication

See more SMTP Examples

Demonstrates how to authenticate using an OAuth2 access token. This example assumes you have already obtained the access token and now wish to use it in an SMTP session.

Chilkat VBScript Downloads

VBScript
Dim fso, outFile
Set fso = CreateObject("Scripting.FileSystemObject")
'Create a Unicode (utf-16) output text file.
Set outFile = fso.CreateTextFile("output.txt", True, True)

success = 0

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

oauth2_access_token = "some_previously_obtained_token"

set mailman = CreateObject("Chilkat.MailMan")

' Set the properties for the SMTP server, whatever they may be..
mailman.SmtpHost = "smtp.example.com"
mailman.SmtpPort = 587
mailman.StartTLS = 1

mailman.SmtpUsername = "myLogin"
mailman.OAuth2AccessToken = oauth2_access_token

' Create a new email object
set email = CreateObject("Chilkat.Email")

email.Subject = "This is a test"
email.Body = "This is a test"
email.From = "Joe Example <joe@example.com>"
success = email.AddTo("Chilkat Admin","admin@chilkatsoft.com")

' Connect to the server indicated by the SmtpHost property
success = mailman.SmtpConnect()
If (success <> 1) Then
    outFile.WriteLine(mailman.LastErrorText)
    WScript.Quit
End If

' Authenticate using XOAUTH2 (using the OAuth2AccessToken)
success = mailman.SmtpAuthenticate()
If (success <> 1) Then
    outFile.WriteLine(mailman.LastErrorText)
    WScript.Quit
End If

success = mailman.SendEmail(email)
If (success <> 1) Then
    outFile.WriteLine(mailman.LastErrorText)
    WScript.Quit
End If

outFile.WriteLine("Email sent.")

success = mailman.CloseSmtpConnection()

outFile.Close