Using SmtpSendRawCommand to Change Password

Demonstrates how to use the SmtpSendRawCommand method to change the SMTP user account's password for an SMTP server that supports the non-standard CPWD command.

Note: The SmtpSendRawCommand method is not yet released. To get a pre-release, send email to support@chilkatsoft.com.

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Dim fso, outFile
Set fso = CreateObject("Scripting.FileSystemObject")
Set outFile = fso.CreateTextFile("output.txt", True)

'  The mailman object is used for sending and receiving email.
set mailman = CreateObject("Chilkat.MailMan2")

'  Any string argument automatically begins the 30-day trial.
success = mailman.UnlockComponent("30-day trial")
If (success <> 1) Then
    outFile.WriteLine(mailman.LastErrorText)
    WScript.Quit
End If

'  Set the SMTP server.
mailman.SmtpHost = "smtp.chilkatsoft.com"

'  Set the SMTP login/password (if required)
mailman.SmtpUsername = "myUsername"
mailman.SmtpPassword = "myPassword"

'  Connect and authenticate:
success = mailman.OpenSmtpConnection()
If (success <> 1) Then
    outFile.WriteLine(mailman.LastErrorText)
    WScript.Quit
End If

strCharset = "ansi"

'  Send the CPWD command and get the response.
'  Do not include a trailing CRLF (carriage-return line-feed) in the command string.

bEncodeBase64 = False
strResponse = mailman.SmtpSendRawCommand("CPWD",strCharset,bEncodeBase64)
If (strResponse = vbNullString ) Then
    outFile.WriteLine(mailman.LastErrorText)
    WScript.Quit
End If

'  Expecting a 334 response...
If (mailman.LastSmtpStatus <> 334) Then
    outFile.WriteLine(strResponse)
    WScript.Quit
End If

'  Now send the existing login/password, base64-encoded:
bEncodeBase64 = True

'  Send the existing login:
strResponse = mailman.SmtpSendRawCommand("mySmtpLogin",strCharset,bEncodeBase64)
If (strResponse = vbNullString ) Then
    outFile.WriteLine(mailman.LastErrorText)
    WScript.Quit
End If

'  Expecting a 334 response...
If (mailman.LastSmtpStatus <> 334) Then
    outFile.WriteLine(strResponse)
    WScript.Quit
End If

'  Send the existing password:
strResponse = mailman.SmtpSendRawCommand("mySmtpPassword",strCharset,bEncodeBase64)
If (strResponse = vbNullString ) Then
    outFile.WriteLine(mailman.LastErrorText)
    WScript.Quit
End If

'  Expecting a 334 response...
If (mailman.LastSmtpStatus <> 334) Then
    outFile.WriteLine(strResponse)
    WScript.Quit
End If

'  Send the new password:
strResponse = mailman.SmtpSendRawCommand("myNewSmtpPassword",strCharset,bEncodeBase64)
If (strResponse = vbNullString ) Then
    outFile.WriteLine(mailman.LastErrorText)
    WScript.Quit
End If

'  Expecting a 250 response...
If (mailman.LastSmtpStatus <> 250) Then
    outFile.WriteLine(strResponse)
    WScript.Quit
End If

MsgBox "SMTP password changed!"

success = mailman.CloseSmtpConnection()
If (success <> 1) Then
    MsgBox "Connection to SMTP server not closed cleanly."
End If


outFile.Close