代码总是转到else循环并发送错误消息.代码是错的吗? - The code always goes to the else loop and sends the error message. Is the code wrong?

The code always goes to the else loop and sends the error message. Is the code wrong?

<?php
 if(isset($_POST['submit']))
 {
    $name = $_POST['name'];
    $email = $_POST['email'];
    $query = $_POST['message'];
    $email_from = $name.'<'.$email.'>';
    $to="someone@gmail.com";
    $subject="Enquiry!";
    $headers .= "From: ".$email_from."'r'n";
    $headers  = 'MIME-Version: 1.0' . "'r'n";
    $headers .= 'Content-type: text/html; charset=iso-8859-1' . "'r'n".PHP_EOL;
    $message="mail sent";

    if(mail($to,$subject,$message,$headers))
    {
        header("Location:../contact.php?msg=Successful Submission! Thankyou for contacting us.");
    }
    else
    {
        header("Location:../contact.php?msg=Error To send Email !");
    }
}
?>

<?php
 if(isset($_POST['submit']))
 {
    $name = $_POST['name'];
    $email = $_POST['email'];
    $query = $_POST['message'];
    $email_from = $name."<'.$email.'>"; //Check Properly Here
    $to="someone@gmail.com";
    $subject="Enquiry!";
    $headers .= "From: ".$email_from."'r'n";
    $headers  = 'MIME-Version: 1.0' . "'r'n";
    $headers .= 'Content-type: text/html; charset=iso-8859-1' . "'r'n".PHP_EOL;
    $message="mail sent";
    $SendMail=mail($to,$subject,$message,$headers); //Check Here Too
    if($SendMail)
    {
        header("Location:../contact.php?msg=Successful Submission! Thankyou for contacting us.");
    }
    else
    {
        header("Location:../contact.php?msg=Error To send Email !");
    }
}
?>