Forum Discussion

Brass Contributor

May 26, 2017

Solved

Non-Member of Private Group able to email group - is this correct?

We have a private group, but recently received an email message from someone who is not a member of the group. I know that the private groups are listed in the I thought private groups only allowed ...

groups

Mailboxes

Office 365 Groups

VasilMichev
May 26, 2017
If needed, you can impose delivery restrictions on the group (regardless if it's Private or Public) via PowerShell:

Set-UnifiedGroup groupname -AcceptMessagesOnlyFromSendersOrMembers groupname

You can designate a user, DG, another Group or whatever for the list of people allowed to send.

VasilMichev

MVP

May 26, 2017

If needed, you can impose delivery restrictions on the group (regardless if it's Private or Public) via PowerShell:

Set-UnifiedGroup groupname -AcceptMessagesOnlyFromSendersOrMembers groupname

You can designate a user, DG, another Group or whatever for the list of people allowed to send.

jerome317
Brass Contributor
Jun 10, 2019
This is good, I would just add you can also set a moderator or approver in addition to the setting below. Just in case it is something useful. You can set multiple moderators too.

Set-UnifiedGroup GroupNameHere -ModerationEnabled:$True -ModeratedBy UserMailbox

VasilMichev wrote:
If needed, you can impose delivery restrictions on the group (regardless if it's Private or Public) via PowerShell:

Set-UnifiedGroup groupname -AcceptMessagesOnlyFromSendersOrMembers groupname

You can designate a user, DG, another Group or whatever for the list of people allowed to send.
VasilMichev
Karen Blanco
Copper Contributor
Jun 08, 2019
VasilMichev Kathleen Lynch If you need to reverse the above command:
Set-UnifiedGroup groupname -AcceptMessagesOnlyFromSendersOrMembers $null