(PowerShell) Fetch Oldest/Newest IMAP Email

Emails may be downloaded by sequence number. Assuming the selected mailbox is not empty, the oldest email is at sequence number 1, and the newest email is at sequence number N. The FetchSingle method may be used to download by sequence number.

Chilkat .NET Downloads Chilkat .NET Assemblies

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

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

$imap = New-Object Chilkat.Imap

# Connect to an IMAP server.
# Use TLS
$imap.Ssl = $true
$imap.Port = 993
$success = $imap.Connect("mail.testemail.net")
if ($success -ne $true) {
    $($imap.LastErrorText)
    exit
}

# Login
$success = $imap.Login("***","***")
if ($success -ne $true) {
    $($imap.LastErrorText)
    exit
}

# Select an IMAP mailbox
$success = $imap.SelectMailbox("Inbox")
if ($success -ne $true) {
    $($imap.LastErrorText)
    exit
}

# After selecting a mailbox, the NumMessages property
# contains the number of emails in the selected mailbox.

$n = $imap.NumMessages

if ($n -gt 0) {

    # The oldest email is always at sequence number 1.
    $isUid = $false

    $oldestEmail = $imap.FetchSingle(1,$isUid)
    if ($imap.LastMethodSuccess -eq $true) {

        # Display the From and Subject
        $($oldestEmail.FromAddress)
        $($oldestEmail.Subject)

        $("--")

    }

    # The newest email is at sequence number N:

    $newestEmail = $imap.FetchSingle($n,$isUid)
    if ($imap.LastMethodSuccess -eq $true) {

        # Display the From and Subject
        $($newestEmail.FromAddress)
        $($newestEmail.Subject)

    }

}

# Disconnect from the IMAP server.
$success = $imap.Disconnect()