"Omar Thameen" <email@example.com> wrote:
> If you have the capability, is there any reason not to place the
> subscriber email address in the To: header of list messages,
> particularly announcement lists?
You lose the ability for the MTA to group messages going to recipients
sharing the same domain inside a single envelope and deliver them together.
As a result it could take much longer to deliver messages and use more
President, Befriend Internet Services LLC