(PowerShell) Process New Email by Scanning for Senders

Scan email and save application-selected emails to EML files with unique filenames.

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

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

# We can choose to fetch UIDs or sequence numbers.
$fetchUids = $true

# Fetch messages from the mailbox using a search criteria.
# This example finds NEW emails: these are emails that have the RECENT flag set, but not the SEEN flag:
$messageSet = $imap.Search("NEW",$fetchUids)
if ($imap.LastMethodSuccess -eq $false) {
    $($imap.LastErrorText)
    exit
}

# This example will download headers, and then download
# the full email for those emails sent from a contact
# in our database.

# When downloading headers, each email object contains
# (obviously) the headers, but the body will be missing.
# Also, attachments will not be included.  However, it is
# possible to get information about the attachments
# as well as the complete size of the email.

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

    $($imap.LastErrorText)
    exit
}

# Loop over the email objects...
$i = 0
$numEmails = $bundle.MessageCount
while ($i -lt $numEmails) {
    $email = $bundle.GetEmail($i)

    # The sender's email address and name are available
    # in the From, FromAddress, and FromName properties.
    # If the sender is "Chilkat Support <support@chilkatsoft.com",
    # then the From property will hold the entire string.
    # the FromName property contains"Chilkat Support",
    # and the FromAddress property contains "support@chilkatsoft.com"
    $($email.From)
    $($email.FromAddress)
    $($email.FromName)

    # Assume at this point your code checks to see if the sender
    # is one in your contacts database.  If so, this is
    # the code you would write to download the entire
    # email and save it to a file.

    # The ckx-imap-uid header field is added when
    # headers are downloaded.  This makes it possible
    # to get the UID from the email object.
    $uidStr = $email.GetHeaderField("ckx-imap-uid")
    $uid = $uidStr

    $fullEmail = $imap.FetchSingle($uid,$true)
    if ($imap.LastMethodSuccess -eq $true) {
        # You may use the GenerateFilename method to
        # generate a unique filename...

        $filename = $fullEmail.GenerateFilename()

        # SaveEml saves the entire email, including attachments.
        $success = $fullEmail.SaveEml($filename)

    }

    $("--")

    $i = $i + 1
}

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