[ChinaLamb]

Is this what you suggested?

Rule
All of
To "Newsie@mydomain"
From "Me@mydomain"
Send a Copy "contactlist@mydomain"

Recipients get emails from "Me@mydomain" and the to shows "Newsie @ my domain"
If people try to "replyAll", the message doesn't get copied to the contact list!

Only problem, is that other Fastmail users now get a "Reply to List" as the default, which WILL go to "contactlist@mydomain" which still exposes the list...

Anything else I'm not thinking about?

Even if I BCC the list, the list still gets exposed to Fastmail users, and "Reply to List" is the default option...