Permissions

Question

Permissions

Rising Flight 5,176

Apr 12, 2025, 10:25 PM

I have two questions:

I have a distribution lists (DL) in Exchange Online and Exchange onprem, and I would like to assign the following permissions using PowerShell. Could you please guide me with the correct PowerShell syntax?

Send As

Send on Behalf

2.The following syntax works for regular distribution lists. For dynamic distribution lists, if I replace Set-DistributionGroup with Set-DynamicDistributionGroup, will it still work?

Set-DistributionGroup "DL1" -AcceptMessagesOnlyFrom @{Add="user1"}

Hien-L 4,580 Reputation points Microsoft External Staff Moderator

Apr 25, 2025, 7:18 AM

Hi Rising Flight,

Just checking in to see if above information was helpful. If you have any further updates on this issue, please feel free to post back. If you think my reply is helpful to you, please remember to mark it as an answer. Warm thanks.

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Hien-L 4,580 Reputation points Microsoft External Staff Moderator

Apr 25, 2025, 7:18 AM

Hi Rising Flight,

Just checking in to see if above information was helpful. If you have any further updates on this issue, please feel free to post back. If you think my reply is helpful to you, please remember to mark it as an answer. Warm thanks.

Answer 1

Hi Rising Flight,

Welcome to our forum!

1.Both Exchange Online and On-Premises use Set-DistributionGroup and Set-DynamicDistributionGroup with the -GrantSendOnBehalfTo parameter. For Send As, the process is different. Send As is a permission managed via AD permissions, so the cmdlets involved are Add-RecipientPermission. The syntax would be using Add-RecipientPermission

Send on Behalf

Use -GrantSendOnBehalfTo with Set-DistributionGroup (for static DLs) or Set-DynamicDistributionGroup (for dynamic DLs).

Exchange Online/On-Premises Syntax:


# Static Distribution List

Set-DistributionGroup "DL1" -GrantSendOnBehalfTo @{Add="user1"}

# Dynamic Distribution List

Set-DynamicDistributionGroup "DynamicDL1" -GrantSendOnBehalfTo @{Add="user1"}

Send As

Use Add-RecipientPermission to grant the SendAs right. This applies to both static and dynamic DLs.

Exchange Online/On-Premises Syntax:


# Static or Dynamic Distribution List

Add-RecipientPermission -Identity "DL1" -Trustee "user1" -AccessRights SendAs

2.Yes, replacing Set-DistributionGroup with Set-DynamicDistributionGrou works for parameters that are common to both cmdlets. For example:


 

# Works for dynamic DLs

Set-DynamicDistributionGroup "DynamicDL1" -AcceptMessagesOnlyFrom @{Add="user1"}

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