![]() Whether you’re going to disable this functionality or not, it’s worth checking which users in your organisation are automatically forwarding mail outside of the company. You can disable this functionality for own tenant and your Office 365 Customers using the PowerShell scripts here. Stopping mail from being auto-forwarded even counts towards your Office 365 Secure Score.Īuto-forwarding mail to external contacts can have some legitimate use cases, however it can also be used by hackers and rogue employees to exfiltrate data from your organisation. Microsoft recommends that these types of rules be disabled by admins by default. It’s a good idea to be aware of any mailbox level Inbox Rules that automatically forward mail outside of your organisation. Get-inboxrule -mailbox john.Find all Inbox Rules that forward mail externally from Office 365 using PowerShell To remove all rules in a user mailbox, run the following: The command will prompt you to confirm it, and you just have to press Y. Remove-Inboxrule –Mailbox john.doe -Identity SecretaryRule To completely remove an Inbox rule, run this command: To disable an Outlook inbox rule, enter this command:ĭisable-Inboxrule –Mailbox john.doe -Identity “SecretaryRule”Īt the same time its status (Enabled) is changed to False, and it is no longer applied to the incoming email messages. How to Disable and Remove an Outlook Inbox Rule? Set-Mailbox -identity john.doe -RulesQuota 256Kb You can change the rules quota (RulesQuota) to 256 KB using this command: This could be because some of the parameters are not supported or there is insufficient space to store all your rules. If this error appears when trying to edit rules: One or more rules could not be uploaded to Exchange server and have been deactivated. The size of the rules in a Microsoft Exchange mailbox is limited. New-InboxRule -Name ZenossAlerttoHelpdesk -Mailbox NYadmin -SubjectContainsWords "Zenoss HW Alert" -ForwardTo "Helpdesk" For example, you want to forward all e-mails containing certain keywords in the subject to another user. You can create a new rule for Outlook inbox using the New-InboxRule Exchange cmdlet. How to Create a Outlook Inbox Rule Using PowerShell? The resulting text file will contain the list of mailboxes, names of forwarding rules and the recipients to whom these e-mails are forwarded. For example, you have to find all rules that delete emails: In some cases, an administrator has to find certain rules in a user’s mailbox. How to Search for the Inbox Rules in the User Mailboxes? To display the list of rules in the user Exchange mailbox, start the EMS console and run this PowerShell command: Get-InboxRule: How to Show User Inbox Rules in the Exchange Mailbox? These rules have ‘client-only’ status in Outlook interface. ![]() You cannot manage these rules through Exchange PowerShell. g., to mark an e-mail as read, to move email message to local PST file, to display a notification or play a sound. Client-side rules are applied only if the Outlook client has been started: e.The following rules can be applied on the Exchange server side: marking an email as important, moving an e-mail to another mailbox folder, deleting a message, forwarding an e-mail to another email address They always work, it doesn’t matter if the user is running Outlook client or not (rules created using Outlook Web App are always server-side). Server-side Outlook rules work on the side of the server when receiving an email.How to Disable and Remove an Outlook Inbox Rule?Ĭlient-Side and Server-Side Outlook RulesĪn Exchange administrator should differ between client-side and server-side Outlook rules.How to Create a Outlook Inbox Rule Using PowerShell?. ![]() How to Search for the Inbox Rules in the User Mailboxes?.Get-InboxRule: How to Show User Inbox Rules in the Exchange Mailbox?. ![]()
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