Re: How to stop weird spam that is sent to all mailboxes



In news:D0231576-E8D4-4E14-8C2D-1E2050A89628@xxxxxxxxxxxxx,
Murdock <Murdock@xxxxxxxxxxxxxxxxxxxxxxxxx> typed:
> "Lanwench [MVP - Exchange]" wrote:
>
>>
>>
>> In news:D7A49208-55DB-41EE-BD8B-B07F9750B6AC@xxxxxxxxxxxxx,
>> Murdock <Murdock@xxxxxxxxxxxxxxxxxxxxxxxxx> typed:
>>> Hi all,
>>> I have a strange problem with Exchange. I get the same spam
>>> messages sent to all the mailboxes. The spam is addressed to
>>> tti@xxxxxxxxxxxxxxxxx I don't even have a "tti" mailbox. BUT that is
>>> my local domain name! All the mailboxes get the same spam in their
>>> inbox and its addressed to tti@xxxxxxxxxxxxxxxx, regardless of what
>>> their email address really is. I have tried sending mail to other
>>> "non-existant" mailboxes and they don't go thru, just the tti one.
>>> Any ideas??
>>
>> Spammers BCC all the time, and you can't see the list of recipients
>> if you've been BCC'd (B=Blind).
>> Do you have the IMF configured? What SP on Exchange?
>
> YES - IMF is installed. Exchange SP1, I believe.
> I understand BCC.
> What I am saying is that I have about 25 mailboxes setup. The email
> address in question (tti@xxxxxxxxxx) is NOT a mailbox. It's not setup
> anywhere I can find. I recieve a lot of the same spam on every
> mailbox. The spam is the reason I found out about this problem. The
> spam is being sent to the tti@xxxxxxxxxx email address NOT each
> individual mailbox. Now before you say its BCC, I need to explain
> again that when I do my
> own testing and send an email using an outside account (like hotmail)
> to the tti@xxxxxxxxxx email address, a copy of that email message
> goes out to every mailbox on the exchange server. I know that's not
> supposed to happen. So again I, or anyone else, can send one normal
> everyday email to the tti address and it automagically goes to every
> email account in the company. The kicker is that this server (SBS03)
> is on the tti.local local domain on my network. Is that just a
> coincidence??
> Anyone???

Ah. OK. If you search for tti@xxxxxxxxxx in AD, do you find it? Is it
assigned to a group?



.

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