In this post, we will learn the steps to Configure Maximum Recipients Limit per Message for Mailbox in Exchange 2019.
Why Recipients Limit in Message:
Recipient limits feature gives us the option to specify the total number of recipients that are allowed in one message. This includes the total number of recipients in the To, Cc, and Bcc: fields.
The default recipient limit is 500 for a single message in Exchange. Keep in mind a distribution group also counts as a single recipient.
Check the default limit:
Let’s check the current limit to restrict the number of recipients per message, Before we start the configuration in Exchange 2019.
Open Exchange Management Shell.
Type below cmdlets to find out the current limit for recipients per message in Exchange 2019.
Get-Mailbox -Identity “Mia Turner” | fl recipientlimits
Get-TransportConfig | fl maxrecipientenvelopelimit
Restrict the Number of Recipients per Message in Exchange 2019:
On Exchange 2019 Mailbox Server.
1. Open Internet Explorer and type https://localhost/ecp, and then press Enter. Sign in as an Administrator with the password.
2. In the Exchange Admin Center web interface, navigate to Recipients.
3. On the Mailbox tab, select the mailbox for which you want to configure maximum recipients limit and then click Edit.
4. On the mailbox properties page, click Mailbox features.
5. Under Mail Flow, click View details to view and change the recipient limit.
6. Under the recipient limit, select the Maximum recipients’ checkbox. Specify the number as per your organization’s requirement and click OK to save the changes.
7. Click Save.
Note: You can also set up the maximum recipient limit at the organization level as well by modifying the receive connectors settings.
Verify Maximum Recipients Limit for Mailbox:
Open Exchange Management Shell.
Type below cmdlets to find out the current limit for recipients per message in Exchange 2019.
Get-Mailbox -Identity “Mia Turner” | fl recipientlimits
Get-TransportConfig | fl maxrecipientenvelopelimit
If you send the message to more recipients than allowed in the recipient limit, the message will not deliver to them.
That’s all for this guide. In this article, we have learned the steps to configure maximum recipients limit per message for a mailbox in Exchange Server 2019.