Can we be able to give one person's userprincipalname value as proxy address for another person?

Vimal M 0 Reputation points
2023-03-16T07:32:08.0866667+00:00

Can we be able to give one person's userprincipalname value as proxy address for another person?

Azure Active Directory
Azure Active Directory
An Azure enterprise identity service that provides single sign-on and multi-factor authentication.
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  1. Vasil Michev 66,171 Reputation points MVP
    2023-03-16T08:40:31.0833333+00:00

    Is this for on-premises Exchange or Exchange Online? In Exchange Online, there is a "hidden" email address policy that requires at least one proxy address to match the UPN value for the mailbox/user, so the answer is NO.