[Mailman-Users] How to blocking malicious subscription requests?

Mark Sapiro mark at msapiro.net
Tue Sep 5 13:04:34 EDT 2017

On 09/05/2017 09:45 AM, Grant Taylor via Mailman-Users wrote:
> Is Mailman aware of user+detail?  Or does is it naively view the entire
> userpart as distinct?  Thus allowing as many many subscriptions using
> detail as possible?
> I know of at least one very major mail provider (possibly the same one)
> that removes dots from the user part.  So the following addresses are
> equivalent.

Mailman 2.1.x considers all these to be different users. E.g.

joe at example.com
joe+mm_list at example.com
joe+other at example.com
j.oe at example.com

are four distinct users as far as Mailman is concerned.

Mark Sapiro <mark at msapiro.net>        The highway is for gamblers,
San Francisco Bay Area, California    better use your sense - B. Dylan

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