Commands › Exchange Online

Set-HostedOutboundSpamFilterRule

Exchange Online ExchangeOnlineManagement Set-*

Modify the settings of outbound spam filter rules in your cloud-based organization.

Quick start script

# Set-HostedOutboundSpamFilterRule — quick start (serv365.ai)
# 1. Connect (app-only shown; interactive: omit the certificate parameters)
Connect-ExchangeOnline -CertificateThumbprint $thumb -AppId $appId -Organization $org

# 2. Capture the current state first — you cannot roll back what you never recorded
$before = Get-HostedOutboundSpamFilterRule
$before | Format-List

# 3. Make the change (dry run first)
Set-HostedOutboundSpamFilterRule -Identity <RuleIdParameter> -WhatIf
Set-HostedOutboundSpamFilterRule -Identity <RuleIdParameter>

# 4. Verify and diff
$after = Get-HostedOutboundSpamFilterRule
Compare-Object ($before | Out-String) ($after | Out-String)

Syntax

Set-HostedOutboundSpamFilterRule [-Identity] <RuleIdParameter>
 [-Comments <String>]
 [-Confirm]
 [-ExceptIfFrom <RecipientIdParameter[]>]
 [-ExceptIfFromMemberOf <RecipientIdParameter[]>]
 [-ExceptIfSenderDomainIs <Word[]>]
 [-From <RecipientIdParameter[]>]
 [-FromMemberOf <RecipientIdParameter[]>]
 [-HostedOutboundSpamFilterPolicy <HostedOutboundSpamFilterPolicyIdParameter>]
 [-Name <String>]
 [-Priority <Int32>]
 [-SenderDomainIs <Word[]>]
 [-WhatIf]
 [<CommonParameters>]

Parameters (13)

Parameter	Type	Required	What it controls
-Identity	RuleIdParameter	yes	The Identity parameter specifies the outbound spam filter rule that you want to modify. You can use any value that uniquely identifies the rule. For example:
-Comments	String		The Comments parameter specifies informative comments for the rule, such as what the rule is used for or how it has changed over time. The length of the comment can't exceed 1024 characters.
-Confirm	SwitchParameter		The Confirm switch specifies whether to show or hide the confirmation prompt. How this switch affects the cmdlet depends on whether the cmdlet requires confirmation before proceeding.
-ExceptIfFrom	RecipientIdParameter[]		The ExceptIfFrom parameter specifies an exception that looks for messages from specific senders. You can use any value that uniquely identifies the sender. For example:
-ExceptIfFromMemberOf	RecipientIdParameter[]		The ExceptIfFromMemberOf parameter specifies an exception that looks for messages sent by group members. You can use any value that uniquely identifies the group. For example:
-ExceptIfSenderDomainIs	Word[]		The ExceptIfSenderDomainIs parameter specifies an exception that looks for senders with email address in the specified domains. You can specify multiple domains separated by commas.
-From	RecipientIdParameter[]		The From parameter specifies a condition that looks for messages from specific senders. You can use any value that uniquely identifies the sender. For example:
-FromMemberOf	RecipientIdParameter[]		The FromMemberOf parameter specifies a condition that looks for messages sent by group members. You can use any value that uniquely identifies the group. For example:
-HostedOutboundSpamFilterPolicy	HostedOutboundSpamFilterPolicyIdParameter		The HostedOutboundSpamFilterPolicy parameter specifies the outbound spam filter policy that's associated with the outbound spam filter rule.
-Name	String		The Name parameter specifies a unique name for the outbound spam filter rule. The maximum length is 64 characters. If the value contains spaces, enclose the value in quotation marks (").
-Priority	Int32		The Priority parameter specifies a priority value for the rule that determines the order of rule processing. A lower integer value indicates a higher priority, the value 0 is the highest priority, and rules can't...
-SenderDomainIs	Word[]		The SenderDomainIs parameter specifies a condition that looks for senders with email address in the specified domains. You can specify multiple domains separated by commas.
-WhatIf	SwitchParameter		The WhatIf switch shows what the command does without making any changes. You don't need to specify a value with this switch.

Reference facts derived from Microsoft documentation, © Microsoft, licensed CC BY 4.0; restructured with original guidance by serv365.ai.