?php
$userid = "nulluser";
$passwd = "passwd38";
$mb = imap_open("(imap.null.org)INBOX", $userid, $passwd);
if (!imap_ping($mb)) {
imap_reopen($mb, $userid, $passwd);
}
imap_close($mb);
?

?php
$userid = "nulluser";
$passwd = "passwd38";
$mb = imap_open("(imap.null.org)INBOX", $userid, $passwd);
if (!imap_ping($mb)) {
imap_reopen($mb, $userid, $passwd);
}
imap_close($mb);
?