Generally, most companies that do low-cost list management are going to steer you away from sending Word attachments. They want you to do the right thing: convert it to HTML.

If he insists on wasting his money, then you can get list management with many web hosting programs.

For example, Hostgator’s business account for about $20/month lets you create a list and email to the list.

Then you will have full control and you can make all the mistakes you want.