(Perl) Process New Email by Scanning for Senders

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

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

Chilkat Perl Downloads Perl Module for Windows, MacOS, Linux, Alpine Linux

use chilkat();

$success = 0;

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

$imap = chilkat::CkImap->new();

# Connect to an IMAP server.
# Use TLS
$imap->put_Ssl(1);
$imap->put_Port(993);
$success = $imap->Connect("imap.someMailServer.com");
if ($success == 0) {
    print $imap->lastErrorText() . "\r\n";
    exit;
}

# Login
$success = $imap->Login("myLogin","myPassword");
if ($success == 0) {
    print $imap->lastErrorText() . "\r\n";
    exit;
}

# Select an IMAP mailbox
$success = $imap->SelectMailbox("Inbox");
if ($success == 0) {
    print $imap->lastErrorText() . "\r\n";
    exit;
}

# We can choose to fetch UIDs or sequence numbers.
$fetchUids = 1;

# 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 = chilkat::CkMessageSet->new();
$success = $imap->QueryMbx("NEW",$fetchUids,$messageSet);
if ($success == 0) {
    print $imap->lastErrorText() . "\r\n";
    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 = chilkat::CkEmailBundle->new();
$headersOnly = 1;
$success = $imap->FetchMsgSet($headersOnly,$messageSet,$bundle);
if ($success == 0) {
    print $imap->lastErrorText() . "\r\n";
    exit;
}

# Loop over the email objects...
$emailHeader = chilkat::CkEmail->new();
$fullEmail = chilkat::CkEmail->new();
$i = 0;
$numEmails = $bundle->get_MessageCount();
while ($i < $numEmails) {
    $bundle->EmailAt($i,$emailHeader);

    # 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"
    print $emailHeader->ck_from() . "\r\n";
    print $emailHeader->fromAddress() . "\r\n";
    print $emailHeader->fromName() . "\r\n";

    # 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 = $emailHeader->getHeaderField("ckx-imap-uid");
    $uid = $uidStr;

    $success = $imap->FetchEmail(0,$uid,1,$fullEmail);
    if ($success == 0) {
        print $imap->lastErrorText() . "\r\n";
        exit;
    }

    # You can use the GenerateFilename method to
    # generate a unique filename...
    $filename = $fullEmail->generateFilename();

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

    print "--" . "\r\n";

    $i = $i + 1;
}

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