$key=0;

$mail_array=explode("\r\n",$all_mail);

$all_acc=array_count_values($mail_array);

while($key < $all_acc){

$acc_array=$mail_array[$key];

++$key;

check_acc($acc_array);

if($result==1){echo "good<br>";}
else{echo "bad<br>";}

};