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Send a Raw SMTP Command

Demonstrates the Chilkat MailMan.SmtpSendRawCommand method, which sends a raw command to the SMTP server and returns the server's response. The second argument specifies the charset to use if the command contains non-US-ASCII characters, and the third indicates whether to base64-encode the command before sending. This example sends a raw NOOP on an open connection.

Background: SMTP is a line-based text protocol (EHLO, MAIL FROM, RCPT TO, DATA, QUIT), so a raw-command hook lets you issue anything Chilkat doesn't wrap — a server extension, or a custom step during a manual auth exchange. The base64 flag exists because some SMTP exchanges (notably AUTH challenge/response) require the argument to be base64-encoded on the wire.

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Local $bSuccess = False

;  Demonstrates the MailMan.SmtpSendRawCommand method, which sends a raw command to the SMTP
;  server and returns the server's response.  The 2nd argument is the charset used if the
;  command contains non-US-ASCII characters, and the 3rd indicates whether to base64-encode
;  the command before sending.

$oMailman = ObjCreate("Chilkat.MailMan")

;  Configure the SMTP server connection.
$oMailman.SmtpHost = "smtp.example.com"
$oMailman.SmtpPort = 465
$oMailman.SmtpSsl = True
$oMailman.SmtpUsername = "user@example.com"
$oMailman.SmtpPassword = "myPassword"

$bSuccess = $oMailman.OpenSmtpConnection()
If ($bSuccess = False) Then
    ConsoleWrite($oMailman.LastErrorText & @CRLF)
    Exit
EndIf

;  Send the raw SMTP NOOP command (not base64-encoded).
Local $sResponse = $oMailman.SmtpSendRawCommand("NOOP","us-ascii",False)
If ($oMailman.LastMethodSuccess = False) Then
    ConsoleWrite($oMailman.LastErrorText & @CRLF)
    Exit
EndIf

ConsoleWrite("NOOP response: " & $sResponse & @CRLF)

$bSuccess = $oMailman.CloseSmtpConnection()
If ($bSuccess = False) Then
    ConsoleWrite($oMailman.LastErrorText & @CRLF)
    Exit
EndIf