PHP

Download the Full Version of a Partial Email

Demonstrates the Chilkat MailMan.FetchFull method, which downloads the complete version of a header-only or partial Email and stores it in a second Email. The full result includes the complete body and any attachments, and the partial email must retain its UIDL. This example previews message 1 (headers only) and then downloads it in full.

Background: A common pattern is to download headers first — cheap and fast — show the user a message list, and only pull the full content when a message is actually opened. FetchFull completes that "download on demand" flow: given a partial email (which carries its UIDL), it fetches the rest from the server. This keeps bandwidth and latency low when browsing a large mailbox.

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<?php

use Chilkat2\Email;
use Chilkat2\MailMan;

// Demonstrates the MailMan.FetchFull method, which downloads the complete version of a
// header-only or partial Email and stores it in a second Email.  The full result includes
// the complete body and any attachments.  The partial email must retain its UIDL.

$mailman = new MailMan();

// Configure the POP3 server connection.
$mailman->MailHost = 'pop.example.com';
$mailman->MailPort = 995;
$mailman->PopSsl = true;
$mailman->PopUsername = 'user@example.com';
$mailman->PopPassword = 'myPassword';

// First fetch message 1 as headers only (a fast preview).  headerOnly=true.
$partialEmail = new Email();

try {
    $mailman->FetchOne(true, 0, 1, $partialEmail);
} catch (\Chilkat2\Exception $e) {
    echo $e->getMessage(), "\n";
    exit;
}

echo 'Preview subject: ', $partialEmail->Subject, "\n";

// Now download the complete message (body and attachments).
$fullEmail = new Email();
try {
    $mailman->FetchFull($partialEmail, $fullEmail);
} catch (\Chilkat2\Exception $e) {
    echo $e->getMessage(), "\n";
    exit;
}

echo 'Full email NumAttachments: ', $fullEmail->NumAttachments, "\n";

// Note: Explicitly connecting/authenticating is optional.  Chilkat MailMan automatically
// connects and authenticates -- using the property settings above -- whenever a server
// operation requires it.  Calling the explicit connect/authenticate methods can still be
// helpful to determine whether a failure occurs while connecting or while authenticating.