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Spammers using my exchange server

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Spammers using my exchange server - 9.Feb.2005 6:51:00 PM   
khenry

 

Posts: 1
Joined: 9.Feb.2005
From: Lufkin, TX
Status: offline
I am having some spammers use my exchange server. Each morning I come in and there are thousands of bad emails in our badmail folder. I check the que's and there are remote delivery's waiting to be delivered. I have added their ip addresses to the do not allow access tab. I have followed MS suggesstions for preventing relaying as outlined in article Q324958.

We have a firewall but this is not detering the usage of the exchange server.

I am to the end of my rope with these guy's can someone help me please with additional suggestions
Post #: 1
RE: Spammers using my exchange server - 2.Mar.2005 10:42:00 PM   
Tonyk@dmxsys.com

 

Posts: 3
Joined: 2.Mar.2005
From: St louis
Status: offline
khenry
There are generally tones of objects in your bad mail Dir thatÆs not necessarily uncommon. What might be happening is your being spammed to addresses not local to your server. Your server will generate a NDR. If hundreds of messages are sent your queue can fill up with NDR's pretty quick. I would look closely at your queue for the sender address if its postmaster at yourdomain then those are likely NDR's and you can delete them. I would also recommend a Spam filter like Appriver or Sybari Antigen. Good Luck

(in reply to khenry)
Post #: 2

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