>    When sending the command:
>
>       QUIET SET listname FULL FOR *@*
>
>    will only change the mail header option on incoming posts for all
> the users and should not alter any other setting (ie. REPRO, NOACK,
> DIGEST, etc.).
>
> Lawrence B. York
> L-Soft International, Inc.
> [log in to unmask]

Yes, but it will alter the setting for those subscribers with DUALHDR,
IETFHDR, or SUBJECTHDR.  Presumably they have set those for a reason.