I need to send hundreds of newsletters, but would like to check first if email exists on server.
any body please send solution
here is my smtp validation code, i can run can this code it's takes too much time to validate an email
require_once('smtp_validateEmail.php');
$email = 'example1@gmail.com';
$sender = 'example.gmail.com';
$SMTP_Validator = new SMTP_Validate_Email();
$SMTP_Validator->debug = true;
$results = $SMTP_Validator->validate(array($email), $sender);
echo $results[$email];