[Bug 1517712] [NEW] Web or email interface to show all lists an address is subscribe to.

[PaulWay]

Public bug reported:

At the moment it is difficult for a user to find out which lists they
have been subscribed to.  With sensible list owners this would not be a
problem, but if list owners silently subscribe people to a list without
asking then a person can find themselves receiving mail for lists they
did not know they were on.

I can see two possible interfaces for this:

1) A search form on e.g. http://example.com/mailman/listinfo that allows
a user to type in their email address and request a search for lists
that they are subscribed to.  For security reasons this would forward
them an email with a confirmation code.  Responding with the correct
code would perform the search.

2) Sending an email to e.g. which-lists-am-i-on at lists.example.com would
automatically respond with the lists the sender's email address is
subscribed to.

Obviously this does not stop rogue admins continuing to add email lists
and silently subscribe people to them, but it does make it easy for a
user to find and unsubscribe themselves.  This proposal does not intend
to combat spam because there are much easier ways of sending spam than
setting up mailman :-)

Thanks in advance,

Paul

** Affects: mailman
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1517712

Title:
  Web or email interface to show all lists an address is subscribe to.

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