John Water
asked on
Can I allow one external sender to an Office 365 group and block all others?
I have an O365 group and want to send email to it from an on premise server but do not want any other external senders. I have the IP, server name.
In the GUI there is no way to do this other than to accept messages from "All Senders", which is not want we want.
Is there ability in PS or other means to identify specific external senders and block all others (effectively creating a white list for this group)?
Thank you
In the GUI there is no way to do this other than to accept messages from "All Senders", which is not want we want.
Is there ability in PS or other means to identify specific external senders and block all others (effectively creating a white list for this group)?
Thank you
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