[Bug 837700] [NEW] Issues with users subscribed via their preferred address

[Barry Warsaw]

Public bug reported:

You can subscribe an address to a mailing list, and you can subscribe a
user to a mailing list, if the user has a preferred address.  There are
two problems with this.

* You can actually end up getting doubly subscribed (i.e. same address
with the same role).  Normally, the subscription mechanism prevents you
from subscribing the same address with the same role more than once, or
the same user with the same role more than once.  However, if you
subscribe once by the address, and once by the user whose preferred
address is that same address, the double subscription occurs.

* The Member repr() doesn't distinguish between a member that's
subscribed via explicit address, and one that's subscribed via preferred
address.  This means that the above will appear as a double address
subscription, when it's really not.

Are these substantial problems that need to be fixed?  Almost certainly
the second one does, but I haven't come up with an elegant repr() for
the case of a user subscribed with their preferred address.

** Affects: mailman
     Importance: Low
         Status: Confirmed


** Tags: mailman3

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https://bugs.launchpad.net/bugs/837700

Title:
  Issues with users subscribed via their preferred address

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