Retrieve UIDL's from POP3 Server

Retrieve a list of UIDLs from a POP3 server. A UIDL is an identifier consisting of 1 to 70 characters in the range 0x21 to 0x7E, which uniquely identifies a messages within a mailbox and persists across sessions.

 Chilkat Perl Module Downloads for Windows, Linux, and MAC OS X

use chilkat();

#  The mailman object is used for receiving (POP3)
#  and sending (SMTP) email.
$mailman = new chilkat::CkMailMan();

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

#  Set the POP3 server's hostname
$mailman->put_MailHost("mail.chilkatsoft.com");

#  Set the POP3 login/password.
$mailman->put_PopUsername('matt@chilkatsoft.com');
$mailman->put_PopPassword("****");

$sa = $mailman->GetUidls();

$n = $sa->get_Count();

for ($i = 0; $i <= $n - 1; $i++) {
    print $sa->getString($i) . "\r\n";
}