txt or xls (excel) email collectiotext or xls email collection file to send mail quicklyn file to send mail quickly

I everyone I need a solution from php expert on stackoverflow. I need php function to get using email marketing system. Just simple I upload a big mail collection list like .txt or .xls (excel) file to sending mail txt or xls files all mail users quickly just one click like Submit.

Please see example output form

<form name="sent" action="<?php echo $_SERVER['PHP_SELF']; ?>" />
Mail List: <input type="file" name="mail_list" />
<br>
Sender Mail ID: <input type="text" name="from_mail" />
<br>
Messages: <textarea name="messages"></textarea>
<input type="submit" value="Submit" />
</form>