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Exchange Server Transport problems - SPAM...

Hi Guys,

Recently install an exchange server and now the Transport Services is killing the server. I checked the queue and found thousands of these;

Identity: Exchange1\5\56632
Subject: Undeliverable: ¡¹¡¹§A¬O»{¯u·Q´î­«¤S¾á¤ß´_­Dªº¤H¶Ü?¡¹¡¹%WORD_2
Internet Message ID: <a9d060fe-66f6-447f-bfcd-390059bcd444@mydomain.com.au>
From Address: <>
Status: Ready
Size (KB): 25
Message Source Name: DSN
Source IP: 255.255.255.255
SCL: -1
Date Received: 10/6/2011 9:28:02 AM
Expiration Time: 10/8/2011 9:28:02 AM
Last Error:
Queue ID: Exchange1\5
Recipients:  pmutvpk@yahoo.com

Whats going on?
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Timbobaloba
Asked:
Timbobaloba
1 Solution
 
Viral RathodConsultantCommented:
This all are spam mails ,please delete those and make sure your server is not an open relay.

Since enabling anonymous relaying on the default receive connector is a huge security issue ,i have suggest you to create separate receive connector

Here is an article wrote by Akhater that will guide you through it step by step
http://www.experts-exchange.com/Software/Server_Software/Email_Servers/Exchange/A_2666-Allow-relaying-on-Exchange-2007-Exchange-2010-in-4-easy-steps.html 
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TimbobalobaAuthor Commented:
Thanks Viralrathod, that worked.

I didn't get a reply for a while and thought I figured it out myself. I did create a new receive connector and tried to run the;
Get-ReceiveConnector newconnectorname | Add-ADPermission -User "NT AUTHORITY\ANONYMOUS LOGON" -ExtendedRights "ms-Exch-SMTP-Accept-Any-Recipient"

on it but got an error so just disable to connector and hoped someone with al least half a clue would post the answer ;-) thanks.
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