[Bug 1526550] [NEW] Posts to a list with regular_exclude_lists can be delivered to excluded list members.

[Mark Sapiro]

Public bug reported:

If a post is addressed to multiple lists, say list1 and list2, and list2
is in list1's regular_exclude_lists, and list1's regular_exclude_ignore
is Yes, and the poster is not a member of list2 but the post will be
accepted by list2 because of list2's equivalent_domains setting, the
regular members of list1 and list2 will receive the post from both
lists.

For a more concrete example, consider a post to list1 and list2 from
user at mac.com. user at mac.com is not a member of list2, but user at me.com is
a member of list2 and list2's equivalent_domains includes
"mac.com,me.com", In this case, if list2 is in list1's
regular_exclude_lists, and list1's regular_exclude_ignore is Yes,
regular members of both lists will receive the post from both lists and
not be excluded from receiving the post from list1

** Affects: mailman
     Importance: Low
     Assignee: Mark Sapiro (msapiro)
         Status: In Progress

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https://bugs.launchpad.net/bugs/1526550

Title:
  Posts to a list with regular_exclude_lists can be delivered to
  excluded list members.

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