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(PHP ActiveX) POP3: Download Most Recent Email (method 1)

How to ready the N most recent email from a POP3 server.

The POP3 protocol does not provide the ability to request the most recent email, nor does it provide the ability to download email based on read/unread status or any other criteria. The design principle behind POP3 is that it is a temporary holding store for incoming email and email clients or other applications will transfer email from the POP3 server to a local persistent store where it will be managed. Therefore, POP3 does not provide sophisticated functionality (as opposed to IMAP which has the opposite design philosophy: that email is maintained and organized on the server).

This example shows one possible way to retrieve the N most recent emails from a POP3 server. It downloads the headers into a bundle object, then sorts the bundle by date, and finally retrieves the most recent emails by UIDL.

Another alternative is to download the UIDL list and then assume that the 1st N UIDLs are the most recent.

Chilkat ActiveX Downloads

ActiveX for 32-bit and 64-bit Windows

Note: The php_com_dotnet.dll may need to be enabled inside of php.ini.

<?php

//  The mailman object is used for receiving (POP3)
//  and sending (SMTP) email.
$mailman = new COM("Chilkat_9_5_0.MailMan");

//  Any string argument automatically begins the 30-day trial.
$success = $mailman->UnlockComponent('30-day trial');
if ($success != 1) {
    print $mailman->LastErrorText . "\n";
    exit;
}

//  Set the POP3 server's hostname
$mailman->MailHost = 'pop.someMailServer.com';

//  Set the POP3 login/password.
$mailman->PopUsername = 'myLogin';
$mailman->PopPassword = 'myPassword';

//  Read mail headers and one line of the body.
// bundle is a Chilkat_9_5_0.EmailBundle
$bundle = $mailman->GetAllHeaders(1);

if (is_null($bundle)) {
    print $mailman->LastErrorText . "\n";
    exit;
}

//  Sort the bundle by date
$ascending = 0;
$bundle->SortByDate($ascending);

//  Get the 10 most recent UIDLs
$saUidls = new COM("Chilkat_9_5_0.StringArray");

$n = $bundle->MessageCount;
if ($n > 10) {
    $n = 10;
}

for ($i = 0; $i <= $n - 1; $i++) {
    // email is a Chilkat_9_5_0.Email
    $email = $bundle->GetEmail($i);
    $success = $saUidls->Append($email->Uidl);

}

//  Download in full the 10 most recent emails:

// bundle2 is a Chilkat_9_5_0.EmailBundle
$bundle2 = $mailman->FetchMultiple($saUidls);
if (is_null($bundle2)) {
    print $mailman->LastErrorText . "\n";
    exit;
}

for ($i = 0; $i <= $bundle2->MessageCount - 1; $i++) {
    // email is a Chilkat_9_5_0.Email
    $email = $bundle2->GetEmail($i);
    print $email->From . "\n";
    print $email->Subject . "\n";
    print '----' . "\n";

}


?>

 

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