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getting large number Spam Mails to all users

Posted on 2008-10-12
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Last Modified: 2013-12-09
i had 550 5.7.1 Unable to relay issue on exchange 2007. As per ID ID:22678110. i got resolved the issue. But now i am not getting lot of spam mails.  As per above given id i have modified the edge external receiver connector as described below.

.  log on to the edge server go to the properties of the Default Ext edge receive connector. click the Permission group tab check Exchange Servers tick box which is currently unticked. click Apply click the authentication tab Untick Enable Domain Security (Mutual auth TLS) Untick "Exchange server authentication" Tick "Externally Secured (for e.g. IPSEC)" check box. click Apply

Please help me to stop this spam.
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Question by:senmohan
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tenaj-207 earned 1500 total points
ID: 22700666
Have you turned the Anti-Spam feature on?

1) Expand Organization Configuration then Hub Transport
2) Click on the Anti-Spam tab.
3) Right click on Content Filtering and choose properties
4) Go to the Action tab and setup the SCL ratings

I have mine set for Delete at 9, reject at 7, and send to Spam@domain.com at 5.  It's working well for me.
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by:senmohan
ID: 22700830
do i need to create separate mailbox  like spam@mydomainname.com.

Also is there any option to send notification mails to users where they can see the spam mails which they have received. Like in Barracuda spam filter  
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by:tenaj-207
tenaj-207 earned 1500 total points
ID: 22700889
Yes you do need to create a spam@mydomainname.com account.

No, there's no way to send notifications to the users.  It's a very limited (still a good price for free) spam filter.  If you have a barracuda spam filter that has worked well for you in the past then as long as it's compatible with Exchange 2007 I would use it.
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by:senmohan
ID: 22701237
In edge server i have thousands of spam mail quedup and now mail are not flowing. how can i delete the queues mail at a same
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by:senmohan
ID: 22701262
I am geeting below message in my edge server...


the query produced too many results. To reduce the number of results, use a more restrictive filter.it was runnung command get-message -ResultSize "1000' -Returnpageinfo $true -server Edgeserver.dhcc.mazaya.com -SortOrder -FromAddress -SearchForword $true-BookmarkObject $null -BookmarkIndex '-1'Includebookmark $false

Please advice what to do next.

i have enavled SCL rating and set the values !!!
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LVL 15

Assisted Solution

by:tenaj-207
tenaj-207 earned 1500 total points
ID: 22714064
In the queue you can clear queues by right clicking on them and choosing Remove Messages.

As far as your error message goes.  It looks like you were trying to use the Message tracking and the filter you were using was to broad and gave you more responses then it could handle.  

If you open Exchange power shell and use the get-message command then you can by pass this by changing the -ResultSize to 9999.  You also need to export the data so you can read it.  Ad the end of your get-message command put in | export-csv c:\exchangereports\userstats.csv.  This will allow you to open the file with Excel and read it.

The following link explains more about the get-message command.
http://technet.microsoft.com/en-us/library/bb124738(EXCHG.80).aspx
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by:senmohan
ID: 22718315
i have cleared all the queue. it was hectic job. But still get spam mails. the header looks like this...

From: Williams Pharmacy Newsletter [mailto:noreply@newsletter.ac.com.do]
Sent: Tuesday, October 14, 2008 7:17 PM

After i enable SCL rating. Some know mails are blocking. how to bypass those ?
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LVL 15

Assisted Solution

by:tenaj-207
tenaj-207 earned 1500 total points
ID: 22718563
That address has been spoofed.  To reject this type of spam change the settings to your Sender ID.  This setting is in the same location that the Content Filtering was in.  To change it right click on Sender ID, then choose properties.  Click on the action tab and choose Reject message from the list.  Then click on OK and it should apply that setting.

Let me know if that helps.
-t
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Author Comment

by:senmohan
ID: 22755422
i have changed the settings to reject . but still i am getting lot of spam.
please advice me as soon as possible.
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LVL 15

Assisted Solution

by:tenaj-207
tenaj-207 earned 1500 total points
ID: 22755440
You could lower the SCL ratings by a couple numbers and see if that helps.  Just make sure that you are keeping a close eye for any false positives.
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LVL 1

Author Comment

by:senmohan
ID: 22767989
if i lower the rate also no luck also some my important mails are getting ejected.
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LVL 15

Assisted Solution

by:tenaj-207
tenaj-207 earned 1500 total points
ID: 22768047
Then your only option left is to purchase a 3rd party spam solution to filter out the spam.  I've heard good things about the barracuda spam filter.
http://www.barracudanetworks.com/ns/products/spam_overview.php

But as far as filtering out the spam with the Exchange server tools, you've done all you can with the limited tools that Exchange has.
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Author Comment

by:senmohan
ID: 22783514
ok let me try !!! thanks for your time.
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