Do anti spam rules on Exchange have priority on outlook ones?
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Renovi
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Q:
Do anti spam rules on Exchange have priority on outlook ones?
Exchange security, Outlook, Exchange spam filters, Exchange anti-spam
We have an antispam appliance and an Exchange server.
For some users, some valid e-mails are put into the Spam folder on Outlook.
We would like to white-list the IP of our appliance on Exchange in order to always tag those messages as "valid".
We would like to know if this IP white-listing rule on Exhange is prioritary on Outlook's filtering rules. In other words, can we be sure that Outlook will not put the mail in the spam folder??

Thank you in advance. This is a real issue for us.

Paul Reno
ASKED: Jul 18 2008  10:01 AM GMT
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Technochic
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The Outlook client is independent of the Exchange server, so if you white-list on Exchange there is still the likelihood that the same emails will be sent to the SPAM or Junkmail filter folder in Outlook, yes. When they get there though you can go into that folder and add them to the allowed senders so they will thereafter not go to the junkmail folder, but this has to be done on the client end on a per user basis.
Last Answered: Jul 18 2008  12:00 AM GMT by Technochic   40210 pts.
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Schmidtw   10505 pts.  |   Jul 22 2008  2:43PM GMT

Server rules have priority over client rules.

 

Schmidtw   10505 pts.  |   Jul 22 2008  2:44PM GMT

But you should have the option when creating new rules to use server or client rules. And in a business environment, it’s usually best to go with the server rules for security purposes.

 

Technochic   40210 pts.  |   Jul 23 2008  4:09PM GMT

Server rules take precedent if they are exclude rules. Say on the server side you exclude <a href="http://xyz.com" title="http://xyz. " target="_blank">xyz.com</a>, then no client will receive <a href="http://xyz.com" title="http://xyz. " target="_blank">xyz.com</a>. However if the server white lists this domain, the client can still send those emails to the junk e-mail folder because the client acts independently once the email is received. So in that case it “appears” that the client overrules the server, when in fact it is just adding an additional action once the email is received. Therefore if you white-list a domain at the server level and the email still goes to the junk e-mail folder on the client, then you can at that point go into the junk e-mail folder and right-click the email and select “add to allowed senders” to make it stop sending these to that folder, and send them to the inbox instead.

 
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