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.
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