[Mailman-Users] one-click subscription

David Newman dnewman at networktest.com
Mon Mar 1 20:28:49 CET 2010

On 3/1/10 10:34 AM, Mark Sapiro wrote:
> David Newman wrote:
>> For a read-only announcement list, I'm looking for a way to set up
>> "one-click subscription" where a user enters an email in a form on a web
>> page and gets subscribed right away, with no confirmation needed.
> This is not a good idea. It allows anyone to subscribe anyone else to
> your list without the subscribed person's knowledge or consent. Do you
> really want to do this?
> If you do, there are two ways.
> You can set
> in mm_cfg.py and then set the list's Privacy options... -> Subscription
> rules -> subscribe_policy to None, and create your subscribe form per
> the FAQ at <http://wiki.list.org/x/hIA9>.
> Or, you can create a web page that either invokes curl or wget or posts
> it's own data to the admin CGI as outlined in posts linked from the
> FAQ at <http://wiki.list.org/x/uIA9>.
> However, if what you want is for people to be able to subscribe without
> further interaction on their part, you might consider just setting
> subscribe_policy to Approve and having subscriptions approved by an
> admin or moderator. This isn't much better, but at least it allows the
> admin to detect a suspicious pattern.

OK, thanks. Thinking about this some more, it does seem like an
excellent way to subscribe users who never asked to hear from us. I'll
recommend to our team that we at least get confirmation before proceeding.


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