We have lot of distribution groups, if a user sends a mail to the distribution group and also marking a cc to a single user who is also in that distribution group, the mail is recd by the user twice(1 for the user and one from the distribution group).
I want to avoid this duplication, and i also heared it is possible though some recipient policy. Kindly tell me, if it is possible and if it is so i sincerely require your help in solving this problem.
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