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From Richard Hirsch <>
Subject Re: Deleting user from access pool
Date Thu, 01 Oct 2009 04:51:30 GMT
Regarding the first part (deleting users from a pool) - here are my ideas
* We have no idea whether he has viewed the messages or not.
* Of course, he should be able to continue see his own messages even
if they were sent to a pool to which he no longer belongs.
* The user's messages remain in the pool whether or not the user is in the pool.
* Since the user can no longer view the pool, he can only view his own
messages but not those of other users.
* Question: Should we delete all old messages from the pool to which
the user was a member or should we just prevent new messages from the
now-forbidden pool going to the user. I prefer the second choice.


To the second point regarding the deletion of pools. I think this
needs more thought. We can't / shouldn't delete messages from closed
pools. This would be a performance and programming nightmare.


On Thu, Oct 1, 2009 at 5:23 AM, Xuefeng Wu <> wrote:
> There're two features:1. delete users from pool;
> 2. delete pool.
> There're some argue and my opinion:
> *when delete users from pool.*
> We could withdraw all messages from the user, whatever read or unread.
> *when delete pool. ESME-68*
> withdraw all messages
> can create new pool which have the same name as deleted
> On Wed, Sep 30, 2009 at 3:59 PM, Vassil Dichev <> wrote:
>> > Should we allow for a user to be deleted from an access pool?
>> >
>> > If yes what happens? Does he no longer have access to the messages in
>> > the pool - irregardless of whether he wrote them or not?
>> It should be possible to delete a user, yes. I think it has been
>> discussed or specified in the requirements pdf that once a message is
>> in the user's mailbox, it stays there, so that's how it works now. At
>> any rate, deleting a message from the mailbox, which the user may have
>> already seen doesn't offer any more security. A user also doesn't see
>> messages in his/her mailbox, which were sent before he was added to
>> the pool.
>> The interesting part is what happens if a pool has been removed and
>> whether it should be possible at all. This could pose a security
>> problem if an impostor creates a pool with the same name (similar to
>> what might happen with a deleted user account)
> --
> Global R&D Center,Shanghai China,Carestream Health, Inc.
> Tel:(86-21)3852 6101

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