or download this
my $searchSubject = 'test email "abc123" approved';
sub search {
my ($mailbox, $folder, $searchSubject, $searchFromAddress, $se
+archToAddress) = @_;
...
$imap->Uid(1);
my @uids = $imap->search('UNSEEN', 'SUBJECT', $searchSubject,
+'HEADER', 'FROM', $searchFromAddress, 'HEADER', 'TO', $searchToAddres
+s);