Is it true that newsletters in HTML should have a “table-based” layouts?

Question

I read somewhere that when creating a HTML email, you should use the table-based layout. You should not care about creating tableless css based layout. Is that true? I have

Answer 1

The reason tables are used is two-fold:

1. HTML e-mail can be rendered in a vast array of clients with widely differing abilities. It's like trying to design a website for every browser, then multiply it by 10.
2. Quite a few web e-mail clients play havoc with CSS layout.