(PowerShell) Download Unread Email from IMAP Mailbox

Download unread email messages from an IMAP mailbox.

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 = $imap.Connect("imap.someMailServer.com")
if ($success -ne $true) {
    $($imap.LastErrorText)
    exit
}

# Login
$success = $imap.Login("admin@chilkatsoft.com","myPassword")
if ($success -ne $true) {
    $($imap.LastErrorText)
    exit
}

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

$fetchUids = $true

# Find emails marked as seen or not already seen:
$seenSearch = "SEEN"
$notSeenSearch = "NOT SEEN"

# Get the set of unseen message UIDs
$messageSet = $imap.Search($notSeenSearch,$fetchUids)
if ($imap.LastMethodSuccess -eq $false) {
    $($imap.LastErrorText)
    exit
}

# Fetch the unseen emails into a bundle object:

$bundle = $imap.FetchBundle($messageSet)
if ($imap.LastMethodSuccess -eq $false) {

    $($imap.LastErrorText)
    exit
}

# Display the Subject and From of each email.
$i = 0
$numEmails = $bundle.MessageCount
while ($i -lt $numEmails) {
    $email = $bundle.GetEmail($i)

    $($email.GetHeaderField("Date"))
    $($email.Subject)
    $($email.From)
    $("--")

    $i = $i + 1
}

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