It is common to restrict delivery on mass distribution list ("All
Students" or "All Employees") to carefully designated and trained
gatekeepers. It is common to restrict delivery on workgroup lists to
the list itself. (Hint: Create the list, click Apply, then add the
list to Delivery Restrictions.)
Note that restricting the maximum number of recipients in a message
would keep someone from selecting the contents of the GAL in Outlook and
sending to everyone in one message, but it's not as effective in
Exchange 2000 because of the way lists are expanded. That is, in
Exchange 2000, each recipient in a distribution list counts as a
recipient, whereas in Exchange 5.5, the list counted as one recipient.
Even with this Exchange 2000 limitation, nothing prevented users from
mailing several separate messages, each with a subset of the GAL. This
is explained with the saying, "There are seldom good technological
solutions to behavioral problems." The methods described above will
dissuade the clueless, but won't block the malicious. You must augment
your technological policies with managerial ones.
Ed Crowley MCSE+Internet MVP
Freelance E-Mail Philosopher
Protecting the world from PSTs and Bricked Backups!T
-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED]] On Behalf Of Sandhya Pai
Sent: Friday, February 14, 2003 8:45 AM
To: Exchange Discussions
Subject: RE: Mass e-mail removal?
In Exchange 5.5 click on distribution list - Select Delivery Restriction
tab and then under reject messages from you can add users or other dist.
Lists. For eg, for all admin and faculty list we add reject messages
from students lists (these are in our system). Or you can add people or
dist. List under accept messages from and only those people will be
allowed to send.
Sandhya
-----Original Message-----
From: Sanjeev Sharma [mailto:[EMAIL PROTECTED]]
Sent: Friday, February 14, 2003 11:41 AM
To: Exchange Discussions
Subject: RE: Mass e-mail removal?
Importance: High
Ed,
I will be interested in doing what you just suggested. How can I go
about accomplish it? Thanks Much! Sanjeev.
-----Original Message-----
From: Ed Crowley [mailto:[EMAIL PROTECTED]]
Sent: Friday, February 14, 2003 8:20 AM
To: Exchange Discussions
Subject: RE: Mass e-mail removal?
Better to restrict who can send to large lists and limit the number of
recipients to which a message can be sent. That alone will limit your
necessity for such a plan.
Ed Crowley MCSE+Internet MVP
Freelance E-Mail Philosopher
Protecting the world from PSTs and Bricked Backups!T
-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED]] On Behalf Of Foerst, Daniel
P.
Sent: Friday, February 14, 2003 7:49 AM
To: Exchange Discussions
Subject: Mass e-mail removal?
Hey all,
A situation receive arose regarding Georgetown University and an
ill-fated mail message being sent out to the entire university community
in error. In summary, someone sent a message out to the entire student
body which contained sensitive data. As a result of this they took their
mail system down for 14 hours (they use Groupwise) and through a script
of sorts that entered each mailbox and
removed the message.
I don't know how many people here face situations like this, but I have
been asked if it is possible to have such a procedure in case something
like that were to ever occur here.
Is there a script/procedure available for doing something like this?
Is it at all possible, I'm sure it is.
Any help would be greatly appreciated! I don't ever want to take my
system down for 14 hours more or less and have to do this by hand should
it ever occur.
For those of you that would like to read the article, here is the link..
http://chronicle.com/daily/2003/02/2003020701t.htm
Thanks!
-dan
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