On 5/14/19 5:35 AM, Tom Hale wrote:
> When I signed up, I got an email with subject:
>
>     Welcome to the "Python-ideas" mailing list
>
> It included the text:
>
> ======================================================================
>
> You must know your password to change your options (including changing
> the password, itself) or to unsubscribe without confirmation.  It is:
>
>   my-cleartext-password
>
> ======================================================================
>
> This has bugged me about Mailman in the past... luckily I used a
> low-tier password for this (I know, I should use a unique password).
>
> But some users will use a password which is valuable to them.
>
> Should this "feature" be turned off for new subscribers?
>
As someone who runs a Mailman list for non-technical users, I will say
that this feature also bothers me a bit, but the problems that come by
disabling it are worse.

First, there is a notice right on the signup form that this will happen,
so users have been warned.

If they are reusing passwords, the fact that the list has a copy of the
password and emails it out is likely NOT among the highest risks to
their security, and perhaps the perceived breach might get them to change.

The emailing of the password in plain text isn't that big of a security
issue for most people. Yes, if someone is reading your email you have a
problem, but that is not the risk for most people, and if they can do
that, then likely you are already in a security compromised situation.

As explained on the Mailman site, the possible risk to a user of having
their Mailman subscription 'hacked' is small, the biggest danger is you
could be unsubscribed.

Mailman 3 has changed the behavior and uses the more standard password
reset mechanism than the password being sent. In the not to distant
future, hopefully Mailman 3 will be in a state where migrating a Mailman
2 list to it will be a reasonable course of action.

I also find it amazing how many people forget what email address they
signed up with, so for a list that requires one to be subscribed to
submit messages, this can be important, so the periodic sending of the
subscription details is important, as otherwise someone needs to search
through the subscribed database to figure out how they were subscribed.
(I would suggest that most lists want the subscribed list to be
accessible only by a few trusted individuals to avoid scraping for
spamming.)

-- 
Richard Damon

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