Contact form, attachment file size

Hello,

A Very Happy New Year to you too! :)

This is Definitely Possible. Please find the following code in the include/sendemail.php File:

// Runs only when File Field is present in the Contact Form
if ( isset( $_FILES['template-contactform-file'] ) && $_FILES['template-contactform-file']['error'] == UPLOAD_ERR_OK ) {
	$mail->IsHTML(true);
	$mail->AddAttachment( $_FILES['template-contactform-file']['tmp_name'], $_FILES['template-contactform-file']['name'] );
}

and replace it with:

// Runs only when File Field is present in the Contact Form
if ( isset( $_FILES['template-contactform-file'] ) && $_FILES['template-contactform-file']['error'] == UPLOAD_ERR_OK ) {

	$allowed_files = array('application/doc', 'application/pdf', 'another/type');

	if( !in_array( $_FILES['template-contactform-file']['type'], $allowed_files ) ) {
		echo '{ "alert": "error", "message": "File type not allowed! Please Try Again." }';
		die;
	}

	if( $_FILES["template-contactform-file"]["size"] > 4000000 ) { // 4MB
		echo '{ "alert": "error", "message": "File Size exceeds the Limit! Please Try Again." }';
		die;
	}

	$mail->IsHTML(true);
	$mail->AddAttachment( $_FILES['template-contactform-file']['tmp_name'], $_FILES['template-contactform-file']['name'] );
}

This will definitely work fine. Hope this Helps!

Let us know if we can help you with anything else or if you find any further issues.