Ace Mailing list is a great tool to allow you to send out a large number of emails to your 'newsletter' or 'ezine' list. It includes the ability to send via HTML or Plain text, and also can sends in batches. This helps to stop server time outs, and also gives your server a little chance to catch up. For this reason, you can send literally hundreds of thousands of emails through it. Also features validations emails, the option to send out HTML email subscribers as well when sending our plain emails, and several small bug fixes. /