AutoIt

GMail SMTP Send using Previously Obtained OAuth2 Access Token

See more GMail SMTP/IMAP/POP Examples

Demonstrates how to send email using GMail and OAuth2 authentication. This example assumes an OAuth2 access token was previously obtained. AutoIt

Local $bSuccess = False

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

; See Get GMail SMTP Access Token 
; for sample code showing how to obtain a GMail SMTP access token for desktop apps.

; In this example, our access token was previously saved to the following file which contains JSON like this:
; 	{
; 	 "access_token": "ya39.Ci-XA_C5bGgRDC3UaD-h0_NeL-DVIQnI2gHtBBBHkZzrwlARkwX6R3O0PCDEzRlfaQ",
; 	 "token_type": "Bearer",
; 	 "expires_in": 3600,
; 	 "refresh_token": "1/r_2c_7jddspcdfesrrfKqfXtqo08D6Q-gUU0DsdfVMsx0c"
; 	}
; 
$oJson = ObjCreate("Chilkat.JsonObject")
$bSuccess = $oJson.LoadFile("qa_data/tokens/_gmailSmtp.json")
If ($bSuccess <> True) Then
    ConsoleWrite("Failed to load GMail access token file." & @CRLF)
    Exit
EndIf

Local $sAccessToken = $oJson.StringOf("access_token")

$oMailman = ObjCreate("Chilkat.MailMan")

; Set the properties for the GMail SMTP server:
$oMailman.SmtpHost = "smtp.gmail.com"
$oMailman.SmtpPort = 587
$oMailman.StartTLS = True

; The SMTP username should be the GMail address of the user's account that authorized your app to send email.
$oMailman.SmtpUsername = "chilkat.support@gmail.com"
$oMailman.OAuth2AccessToken = $sAccessToken

; Create a new email object
$oEmail = ObjCreate("Chilkat.Email")

$oEmail.Subject = "This is a test"
$oEmail.Body = "This is a test"
$oEmail.From = "Chilkat <chilkat.support@gmail.com>"
$oEmail.AddTo("Chilkat Admin","admin@chilkatsoft.com")
; To add more recipients, call AddTo, AddCC, or AddBcc once per recipient.

; Call SendEmail to connect to the SMTP server and send.
; The connection (i.e. session) to the SMTP server remains
; open so that subsequent SendEmail calls may use the
; same connection.  
$bSuccess = $oMailman.SendEmail($oEmail)
If ($bSuccess <> True) Then
    ConsoleWrite($oMailman.LastErrorText & @CRLF)
    Exit
EndIf

; You may close the connection here.  If the connection is kept open, 
; the next call to mailman.SendEmail will continue using the already-established connection
; (and automatically re-connect if needed).
$bSuccess = $oMailman.CloseSmtpConnection()
If ($bSuccess <> True) Then
    ConsoleWrite("Connection to SMTP server not closed cleanly." & @CRLF)
EndIf

ConsoleWrite("Email Sent via GMail with OAuth2 authentication." & @CRLF)