(PowerShell) Transition from MailMan.MxLookup to Dns.Query

Provides instructions for replacing deprecated MxLookup method calls with the Chilkat Dns class.

Note: This example requires Chilkat v11.0.0 or greater.

Chilkat .NET Downloads Chilkat .NET Assemblies

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

$mailman = New-Object Chilkat.MailMan

# ...
# ...

$emailAddr = "joe@example.com"

# ------------------------------------------------------------------------
# The MxLookup method is deprecated:

$domain = $mailman.MxLookup($emailAddr)
if ($mailman.LastMethodSuccess -eq $false) {
    $($mailman.LastErrorText)
    exit
}

# ------------------------------------------------------------------------
# Do the equivalent using the Chilkat DNS class

$dns = New-Object Chilkat.Dns

$json = New-Object Chilkat.JsonObject

# This gets all MX domains for an email address.  (Typically one domain.)
# The preferred domain will be at index 0 (see below).
$success = $dns.Query("MX",$emailAddr,$json)
if ($success -eq $false) {
    $($dns.LastErrorText)
    exit
}

$i = 0
$count_i = $json.SizeOfArray("answer.mx")
while ($i -lt $count_i) {
    $json.I = $i
    $domain = $json.StringOf("answer.mx[i].domain")
    $($domain)
    $i = $i + 1
}