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New-SafeAttachmentRule

Use the New-SafeAttachmentRule cmdlet to create safe attachment rules in your cloud-based organization. Exchange PowerShell reference

From the Exchange PowerShell reference 13 parameters Its page in the reference

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Parameters

13 in the Exchange PowerShell reference
-NameThe Name parameter specifies a unique name for the safe attachment rule.
-SafeAttachmentPolicyThe SafeAttachmentPolicy parameter specifies the safe attachment policy that's associated with this safe attachment rule.
-CommentsThe Comments parameter specifies informative comments for the rule, such as what the rule is used for or how it has changed over time.
-Confirm, -cfThe Confirm switch specifies whether to show or hide the confirmation prompt.
-EnabledThe Enabled parameter specifies whether the rule is enabled.
-ExceptIfRecipientDomainIsThe ExceptIfRecipientDomainIs parameter specifies an exception that looks for recipients with email addresses in the specified domains.
-ExceptIfSentToThe ExceptIfSentTo parameter specifies an exception that looks for recipients in messages.
-ExceptIfSentToMemberOfThe ExceptIfSentToMemberOf parameter specifies an exception that looks for messages sent to members of distribution groups, mail-enabled security groups, or sent to Microsoft 365 Groups.
-PriorityThe Priority parameter specifies a priority value for the rule that determines the order of rule processing.
-RecipientDomainIsThe RecipientDomainIs parameter specifies a condition that looks for recipients with email addresses in the specified domains.
-SentToThe SentTo parameter specifies a condition that looks for recipients in messages.
-SentToMemberOfThe SentToMemberOf parameter specifies a condition that looks for messages sent to members of distribution groups, mail-enabled security groups, or sent to Microsoft 365 Groups.
-WhatIf, -wiThe WhatIf switch shows what the command does without making any changes.