(PowerShell) SMTP Send Raw Command

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

Chilkat .NET Downloads Chilkat .NET Assemblies

Add-Type -Path "C:\chilkat\ChilkatDotNet47-9.5.0-x64\ChilkatDotNet47.dll"

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

$mailman = New-Object Chilkat.MailMan

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

$success = $mailman.SmtpConnect()
if ($success -eq $false) {
    $($mailman.LastErrorText)
    exit
}

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

$success = $mailman.SmtpAuthenticate()
if ($success -eq $false) {
    $($mailman.LastErrorText)
    exit
}

$("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-".
$responseStr = $mailman.SmtpSendRawCommand("EHLO client.example.com","utf-8",$false)
if ($mailman.LastMethodSuccess -eq $false) {
    $($mailman.LastErrorText)
    exit
}

$($responseStr)

# A sample response:

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