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B4X

SMTP Send Raw Command

Demonstrates how to send a raw command to the SMTP server after the connecting and authenticating.

Chilkat B4X Downloads

B4X
Dim success As Boolean = False

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

Dim mailman As ChilkatMailMan
mailman.Initialize("mailman")

mailman.SmtpHost = "smtp.mail.us-west-2.awsapps.com"
mailman.SmtpSsl = True
mailman.SmtpPort = 465

success = mailman.SmtpConnect
If success = False Then
    Log(mailman.LastErrorText)
    Return
End If


mailman.SmtpUsername = "john@example.com"
mailman.SmtpPassword = "the_password"

success = mailman.SmtpAuthenticate
If success = False Then
    Log(mailman.LastErrorText)
    Return
End If


Log("Authenticated!")

'  Send the "EHLO" command again to get the multi-line response that includes the SMTP capabilities.
'  The capabilities are the lines in the response that begin with "250-".
Dim responseStr As String = mailman.SmtpSendRawCommand("EHLO client.example.com", "utf-8", False)
If mailman.LastMethodSuccess = False Then
    Log(mailman.LastErrorText)
    Return
End If


Log(responseStr)

'  A sample response:

'  250-smtp.us-west-2.mail.awsapps.com
'  250-8BITMIME
'  250-AUTH PLAIN LOGIN
'  250 Ok