php mail() function not working with html page - php

Question

In my website I have used mail form which invokes mail_handler.php contains mail function.But its not working and not echoing any output from if-else.
I checked my webmail account its empty for verification. below is my code for form:
<div id="form-main" style="height:500px"; action="mail_handler.php">
<div id="form-div">
<form class="form" id="form1">
<p class="name">
<input name="name" class="validate[required,custom[onlyLetter],length[0,100]] feedback-input" placeholder="Name" id="name" type="text">
</p>
<p class="email">
<input name="email" class="validate[required,custom[email]] feedback-input" id="email" placeholder="Email" type="text">
</p>
<p class="text">
<textarea name="text" class="validate[required,length[6,300]] feedback-input" id="comment" placeholder="Message"></textarea>
</p>
<div class="submit">
<input id="button-blue" name="Submit" type="submit">
<div class="ease"></div>
</div>
</form>
div>
and below is my php code which not taking any values from form but just checking whether php mail function is working or not when form submit button is clicked:
<?php
$to = 'yogi#yogeshkorke.com';
$message='Hii';
$mail=mail($to, "Subject: $subject",$message );
if($mail){
echo "Thank you for using our mail form";
}
else{
echo "Mail sending failed.";
}
ini_set('display_errors',1);
?>

Answer 1

use method post or get in your form
collect in variable
<form class="form" action="mail_handler.php" id="form1" method='post'>