$imap = new ezcMailImapTransport( 'imap.example.com' );
$imap->authenticate( 'username', 'password' );
$imap->selectMailbox( 'Inbox' );
$set = $imap->fetchAll();
parse $set with ezcMailParser
$parser = new ezcMailParser();
$mails = $parser->parseMail( $set );
foreach ( $mails as $mail )
{
process $mail which is an ezcMail object
}