mx.php
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mx.php
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	<?php
	$mail = '';
	if (isset($_REQUEST['mail'])) {
	$mail = $_REQUEST['mail'];
	}
	?>
	<h2>Search</h2>
	<form>
	<div class="row collapse">
	<div class="ten mobile-three columns">
	<input type="text" name="mail" id="mail" value="<?= $mail ?>" />
	</div>
	<div class="two mobile-one columns">
	<input type="submit" class="button expand postfix" value="Search" />
	</div>
	</div>
	</form>
	<?php
	if ($mail) {
	echo "<h2>Result</h2>\n";
	if (is_mail($mail)) {
	//Gets domain name
	$data = explode('@', $mail);
	$domain = $data[1];

	//Digs MX record
	$getmx = '/home/dereckson/bin/getmx'; //TODO: move tools to a bin folder
	$cmd = $getmx . ' ' . escapeshellarg($mail); //TODO: a nice function to automate this code
	$mx = `$cmd`;

	//Prints result
	echo "<h3>SMTP server</h3>\n<p id='mx' class='result'>$mx</p>\n<h3>Determination method</h3>\n<p><strong>DNS lookup:</strong> $domain MX ?</p>";
	} else {
	echo "<h3>Error</h3>\n<p class='error'>$mail isn't a valid mail address.</p>";
	echo "<h3>Improve this tool</h3><p>This code is open source, you can improve it. Fork it and add JS validation mail code. If the mail is wrong, apply the class .error to the input box.</p>";
	}
	}
	?>