There are some ancient LSoft files still available by email that list the various email commands. You can get the listowner file by addressing a message to your admin server containing this command:

get LISTOWNR REFCARD

other files of interest:

LISTSERV REFCARD: General user commands
LISTMAST REFCARD: Commands for the LISTSERV administrator

On Mon, 16 Jan 2017 11:53:48 -0600, Hal Keen <[log in to unmask]> wrote:

>> Is there an easy way to get a list of subscribers that have selected a
>> particular subscription option, such as NOMAIL or DIGEST?
>
>I use an email command like
>q <listname> with NOMAIL for *@*
>where
><listname> is the list name, or * as a wildcard for "all the lists I own,"
>and
>*@* is a wildcard matching all subscriber addresses.

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