On 30/12/2018 00:04, W2xj wrote:
Work for most large media companies worth billions and writing down passwords 
will have security escorting you out of the building, a lost pension and a 
major followup security investigation.

Passwords have become unworkable as a security measure.

Too many sites need them, and some of those will get compromised,leaking your password;

Using a different one for each site means it is difficult to remember them all;

Rules that you must not write them down result in the same password being used across both well secured and poorly secured servers.

Rules that passwords be changed frequently, combined with the need to have many different passwords, results in weak passwords, as inventing good ones, that are different form other people's, is difficult.

Any organisation where security is important should not be relying solely on passwords.

On the original subject, most technical mailing lists obey the convention that mail to <listname>-owner@<domain> will go to a human administrator (I would say that any well managed list should do this). Failing that, many will forward anything not understood to a human (or reply with help saying how to contact a human) if mail is sent to <listname>-request@<domain> and doesn't contain a valid list command.

Most such lists also have a number of guidance links in the message headers, e.g., for this list:

List-Unsubscribe: <http://mailman.qth.net/mailman/options/elecraft>,
        <mailto:[email protected]?subject=unsubscribe>
List-Archive: <http://mailman.qth.net/pipermail/elecraft/>
List-Post: <mailto:[email protected]>
List-Help: <mailto:[email protected]?subject=help>
List-Subscribe: <http://mailman.qth.net/mailman/listinfo/elecraft>,
        <mailto:[email protected]?subject=subscribe>

Amongst other things, the help reply says you can send this to the -request address:

    unsubscribe [password] [address=<address>]
Unsubscribe from the mailing list. If given, your password must match your current password. If omitted, a confirmation email will be sent
        to the unsubscribing address. If you wish to unsubscribe an address
        other than the address you sent this request from, you may specify
        `address=<address>' (no brackets around the email address, and no
        quotes!)


This does rely on the subscribing address being still valid, but if it is not, the mail bounces should eventually get the subscription terminated, automatically.
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