Enable-Mailcontact -Identity "John Smith" -alias smith -externalEmailAddress smith@contoso.com

This command mail-enables the contact John Smith by specifying the distinguished name (DN) for the contact, and providing the alias smith and an external e-Mail address smith@contoso.com.

Disable-MailContact -Identity smith

This command mail-disables the contact by specifying the alias of the contact in the Identity parameter.

Set-MailContact -Identity smith -Alias jsmith

This command changes the alias of the mail-enabled contact specified in the Identity parameter from smith to jsmith by using the Alias parameter.

Set-Contact -Identity jsmith -Manager user1

This command modifies the contact jsmith's Active Directory® directory service information by changing jsmith's manager to User1.

Note: If the contact is not mail-enabled, you can't retrieve it by using an alias. You must use the contact's full name, GUID, or DN.

Enable-DistributionGroup -Identity "contoso\Distribution Group" -Alias DG

This command mail-enables the existing universal distribution group named Distribution Group that is in the contoso domain. It is the alias DG.

Disable-DistributionGroup -Identity DG

This command mail-disables the mail-enabled universal distribution group named DG.

Set-DistributionGroup -Identity DG -Alias group1

This command modifies the settings of the universal distribution group named DG in Exchange by changing its alias to group1.

Add-DistributionGroupMember -Identity DG -Member user1

This command adds the recipient user1 as a member of the universal distribution group DG.

Get-DistributionGroupMember -Identity DG

This command retrieves all the members of the distribution group named DG.

Set-Group -Identity DG -DisplayName "Universal DG"

This command modifies the Active Directory settings of the Windows® group named DG by changing its display name to "Universal DG".

New-DynamicDistributionGroup -Name DDG -Alias DDGAlias -OrganizationalUnit OU -IncludedRecipients MailboxUsers

This command creates a new query-based dynamic distribution group named DDG. The IncludedRecipients parameter accepts the following values: None | MailboxUsers | Resources | MailContacts | MailGroups | | MailUsers | AppRecipients.

Set-DynamicDistributionGroup -Identity DDG -DisplayName DDG1

This command modifies the display name of the dynamic distribution group named DDG1 by changing the name to DDG1.

Enable-Mailbox -Identity contoso\user1 -Database MailboxDatabase

This command mailbox-enables an existing Active Directory user with the domain and alias combination contoso\user1 by creating a mailbox in the mailbox database named MailboxDatabase.

Disable -Mailbox -Identity user1

This command mailbox-disables the user with the alias user1 by removing its associated mailbox.

Set-Mailbox -Identity user1 -alias user2

This command modifies a mailbox by changing the existing alias user1 to user2.

Get-Mailbox | Export-Mailbox -PSTFolderPath C:\PSTFiles

This command retrieves all mailbox users and exports their mailboxes to .pst files. The .pst files are stored in C:\PSTFiles.

Import-Mailbox john@contoso.com -PSTFolderPath C:\PSTFiles\john.pst

This command imports the mailbox data for the user john@contoso.com from the .pst file c:\PSTFiles\john.pst.

Get-Mailbox | Format-Table alias, *quota

This command retrieves all mailbox users and formats the output to include the alias of the mailbox and the mailbox quotas.

Get-Mailbox -Database MailboxDatabase

This command retrieves a summary list of all mailboxes in the mailbox database named MailboxDatabase.

Get-Mailbox -server Server

This command retrieves a summary list of all mailboxes on the server named Server.

Get-MailboxStatistics -Database MailboxDatabase

This command retrieves the mailbox statistics for all mailboxes that are located in the mailbox database named MailboxDatabase.

Get-MailboxStatistics -Server Server

This command retrieves the mailbox statistics for all mailboxes that are located on the server named Server.

Move-Mailbox -Identity user1 -TargetDatabase Server\MailboxDatabase

This command moves the mailbox associated with the alias user1 to the server named Server. The mailbox is moved to the mailbox database named MailboxDatabase.

New-SystemMessage -QuotaMessageType ProhibitSendMailbox -Text "Prohibit Send Mailbox Quota Message Text" -Language En

This command creates a new customized quota message for the ProhibitSendMailbox quota message type. The text "Prohibit Send Mailbox Quota Message Text" is displayed in English, as specified by the locale code En. The valid values for the QuotaMessageType parameter are WarningMailboxUnlimitedSize and WarningPublicFolder.

Set-SystemMessage En\ProhibitSendMailbox -Text "New Prohibit Send Mailbox Quota Message Text"

This command modifies the existing customized quota message for the ProhibitSendMailbox quota message type that is displayed in English, as specified by the locale code En. The new text is "New Prohibit Send Mailbox Quota Message Text".

Get-SystemMessage En\ProhibitSendMailbox

This command retrieves the existing customized quota message for the ProhibitSendMailbox quota message type that is displayed in English, as specified by the locale code En.

Remove-SystemMessage En\ProhibitSendMailbox

This command removes the existing customized quota message for the ProhibitSendMailbox quota message type that is displayed in English, as specified by the locale code En.

Get-Recipient -RecipientType MailboxUser

This command retrieves a summary list of all recipients that match the RecipientType MailboxUser. The RecipientType parameter accepts the following values: User | MailboxUser | MailEnabledUser | Contact | MailEnabledContact | Group | MailEnabledUniversalDistributionGroup | MailEnabledUniversalSecurityGroup | MailEnabledNonUniversalGroup | DynamicDL | PublicFolder | PublicDatabase | SystemAttendantMailbox | SystemMailbox | MicrosoftExchange.

Get-Recipient -Anr "user"

This command retrieves a summary list of all recipients that contain the string "user" in the mailbox name. The Anr parameter indicates that the argument will be resolved by using ambiguous name resolution (ANR).

Get-Recipient -ResultSize 100

This command retrieves a summary list of recipients and returns only the first 100 recipients.

Get-UMMailbox

This command retrieves a summary list of all Unified Message (UM)-enabled recipients.

Get-UMMailbox -Identity user1 | Format-List

This command retrieves the detailed configuration of the UM mailbox that is associated with the alias user1.

Set-UMMailbox -Identity user1 -UMEnabled $True

This command modifies the UM mailbox associated with the alias user1 by changing the value of the UMEnabled parameter to $True.

Enable-MailUser -Identity contoso\user2 -ExternalEmailAddress user2@northwindtraders.com

This command mail-enables the Active Directory user contoso\user2 with an external address user2@northwindtraders.com. With this cmdlet, a default primary SMTP e-mail address user2@contoso.com is also created.

Disable-MailUser -Identity user2

This command mail-disables the Active Directory mail-enabled user user2.

Set-MailUser -Identity user2 -ExternalEmailAddress user2@research.northwindtraders.com

This command modifies the Active Directory mail-enabled user user2 by changing its external e-mail address to user@research.northwindtraders.com

New-MailboxDatabase -Name MailboxDatabase -StorageGroup StorageGroup

This command creates a new mailbox database named MailboxDatabase in the storage group StorageGroup.

Set-MailboxDatabase -Identity MailboxDatabase -IssueWarningQuota 500MB

This command modifies the mailbox database MailboxDatabase by changing its mailbox warning quota limit to 500MB.

Get-MailboxDatabase -StorageGroup StorageGroup

This command retrieves a summary list of all mailbox databases in the storage group named StorageGroup.

Get-MailboxDatabase -Server Server

This command retrieves a summary list of all mailbox databases in the server named Server.

Mount-Database -Identity MailboxDatabase

This command mounts the existing mailbox database named MailboxDatabase.

Dismount-Database -Identity MailboxDatabase

This command dismounts the existing mailbox database named MailboxDatabase.

Enable-DatabaseCopy -Identity MailboxDatabase

This command enables local continuous backup for the mailbox database named MailboxDatabase.

New-StorageGroup -Name StorageGroup -Server server1

This command creates a new storage group named StorageGroup on the server named server1.

Set-StorageGroup -Identity StorageGroup -Name "Research Storage Group"

This command modifies the storage group named StorageGroup by changing its display name to "Research Storage Group".

Enable-StorageGroupCopy -Identity StorageGroup

This command enables local continuous backup on storage group named StorageGroup.

Note: You must first enable local continuous backup by using the Enable-DatabaseCopy cmdlet for each database in the storage group on which you want to enable local continuous backup.

Disable-StorageGroupCopy -Identity StorageGroup

This command disables the continuous backup of storage group named StorageGroup.

New-SendConnector -Name SendConnector -AddressSpaces contoso.com

This command creates a new Internet Send connector named SendConnector. The associated address space for the Send connector is contoso.com.

Set-SendConnector -Identity SendConnector -AddressSpaces northwindtraders.com

This command modifies the Send connector named SendConnector by changing its address spaces to northwindtraders.com.

New-ReceiveConnector -Name ReceiveConnector -RemoteIpRanges 10.149.0.1-10.151.0.1 -Bindings 0.0.0.0:25

This command creates a new Receive connector named ReceiveConnector. The associated remote IP range is 10.149.0.1 to 10.151.0.1. By setting the Bindings parameter to 0.0.0.0:25, you instruct the server to listen for connections on all locally configured IP addresses on port 25.

Set-ReceiveConnector -Identity ReceiveConnector -MaxMessageSize 20MB

This command modifies the Receive connector ReceiveConnector by changing the value of the MaxMessageSize parameter to 20MB.

Suspend-Queue -Identity Server\Queue

This command stops all messages in queue Server\Queue from being delivered.

Resume-Queue -Identity Server\Queue

This command allows the suspended queue Server\Queue to resume delivery of messages.

Get-Message -Identity Server\Queue\Message

This command retrieves the specific message Server\Queue\Message.

Suspend-Message -Identity Server\Queue\Message

This command stops the message Server\Queue\Message in a queue from being delivered.

Get-Queue | Freeze-Queue

This command freezes all queues on the local server.

Resume-Message -Identity Server\Queue\Message

This command allows the suspended message Server\Queue\Message in a queue to be delivered.

Delete-Message -Identity Server\Queue\Message

This command deletes the specified message Server\Queue\Message.

Export-Message -Identity Server\Queue\Message -Path FilePath

This command exports the specified message Server\Queue\Message to FilePath.

Note: Before you can export a message, you must first suspend it by using the Suspend-Message cmdlet.

New-AddressRewriteEntry -Name RewriteEntryName -InternalAddress david@contoso.com -ExternalAddress support@contoso.com

This command creates a new address rewrite entry for the internal e-mail address david@contoso.com. All e-mail messages sent from david@contoso.com are rewritten to support@contoso.com, and all inbound messages to support@contoso.com are rewritten to david@contoso.com.

Set-AddressRewriteEntry -Identity RewriteEntryName -InternalAddress chris@contoso.com

This command modifies the existing address rewrite entry RewriteEntryName by changing the value of the InternalAddress parameter to chris@contoso.com.

Set-RecipientFilterConfig -BlockedRecipients info@contoso.com, corp@contoso.com

This command modifies the recipient filtering configuration by adding the blocked recipients info@contoso.com and corp@contoso.com.

Set-SenderFilterConfig -BlockedSenders badsender@northwindtraders.com

This command modifies the sender filtering configuration for spam by adding a blocked sender badsender@northwindtraders.com.

Add-ContentFilterPhrase -Phrase "spam" -Influence BadWord

This command adds the phrase "spam" to the content filter by setting its Influence parameter to BadWord. The Influence parameter accepts the values BadWord and GoodWord.

Add-IPAllowListEntry -IpRange 127.1.0.0

This command adds the IP address 127.1.0.0 to the IP Allow list. The IP mask defaults to 255.255.255.255 because it is not specified.

Add-IPAllowListEntry -IpRange "127.1.0.0(255.255.0.0)"

This command adds the IP address 127.1.0.0 to the IP Allow list, which has a specified IP mask of 255.255.0.0.

Add-IPAllowListEntry -IpRange 127.1.0.0-127.1.255.255

This command adds an allowed range of IP addresses. In this case, the IP range is between 127.1.0.0 and 127.1.255.255.

Add-IPBlockListEntry -IpRange 127.2.0.1

This command adds the IP address 127.2.0.1 to the IP Block list. In this case, the IP mask defaults to 255.255.255.255 because it is not specified.

Test-IPAllowListProvider -Identity AllowListProvider -IPAddress 127.1.0.0

This command tests a specified IP address 127.1.0.0 to see whether it is listed as an allowed IP address with the IP Allow List provider IPAllowListProvider.

Add-IPAllowListProvider -Name Provider1 -LookupDomain www.contoso.com -IPAddressesMatch 127.1.0.0

This command adds an IP Allow List provider called Provider1, which is used to verify which IP addresses are allowed. The associated lookup domain is www.contoso.com, and the IP address that must match the result returned by the IP Allow List provider is 127.1.0.0.

Add-IPBlockListProvider -Name Provider2 -LookupDomain www.contoso.com -IPAddressesMatch 127.2.0.1

This command adds an IP Block List provider named Provider2, which is used to verify which IP addresses should be blocked. The associated lookup domain is www.contoso.com, and the IP address that must match the result returned by the IP Block List provider is 127.2.0.1.

Get-SenderIdConfig

This command retrieves the Sender ID configuration settings.

Add-AttachmentFilterEntry -Name image/jpeg -Type ContentType

This command adds an attachment filter entry that is used to block all JPEG attachments, based on the attachment's content type image/jpeg, regardless of the file name.

Add-AttachmentFilterEntry -Name *.EXE -Type FileName

This command adds an attachment file entry that is used to block all attachments that have the file name extension *.EXE.

Remove-AttachmentFilterEntry ContentType:image/jpeg

This command removes an attachment filter entry that is used to filter JPEG attachments based on the attachment's content type image/jpeg.

Remove-AttachmentFilterEntry FileName:*.EXE

This command removes an attachment filter entry that is used to filter all attachments that have the file name extension *.EXE.

Set-AttachmentFilterListConfig -RejectResponse "The attachment you included in your e-mail message was not allowed." -Action Reject

This command configures the Attachment Filter agent to reject all messages that contain filtered attachments. Both the attachment and e-mail message are blocked, and the configured text is used in the message body of the non-delivery report (NDR) that is sent to senders whose messages contain an attachment that is blocked. Available actions are Reject, Strip and SilentDelete.

New-SystemMessage -DsnCode 5.7.0 -Text "DSN Message Text" -Internal $False -Language En

This command creates a new customized DSN message for the DSN code 5.7.0. The text of the DSN message is "DSN Message Text", the language the message is displayed in is English, specified by the locale code En, and the DSN message is sent to both internal and external senders.

Set-SystemMessage -Identity En\External\5.7.0 -Text "New DSN Message Text"

This command modifies the existing customized DSN message for the DSN code 5.7.0. The identity consists of the language, specified by the locale code En, whether the DSN message scope is internal or external, and the DSN code En\External\5.7.0. The text of the DSN message is changed to "New DSN Message Text".

Get-SystemMessage -Identity En\External\5.7.0

This command retrieves the existing customized DSN message for the DSN code 5.7.0 by using the identity En\External\5.7.0.

Get-SystemMessage -Original $True

This command retrieves a list of all built-in DSN messages.

Remove-SystemMessage -Identity En\External\5.7.0

This command removes the existing customized DSN message for the DSN code 5.7.0 by using the identity En\External\5.7.0.

$Condition = Get-TransportRulePredicate BetweenMemberOf

$Condition.Addresses = (Get-DistributionGroup "Group1")

$Condition.Addreses2 = (Get-DistributionGroup "Group2")

$Action = Get-TransportRuleAction RejectMessage

$Action.RejectReason = "RejectText"

New-TransportRule -Name "RuleName" -Condition @($Condition) -Action @($Action)

This command creates the transport rule RuleName on a Hub Transport server. The rule rejects all messages sent between the Group1 and Group2 distribution groups. A NDR is sent to the sender of the messages that have the text RejectText.

Get-TransportRule -Identity RuleName | Format-List

This command retrieves the detailed configuration of the transport rule RuleName.

(Get-TransportRule -Identity RuleName).Conditions | Format-List

This command retrieves a list of conditions and their values that are configured on the transport rule RuleName.

(Get-TransportRule -Identity RuleName).Exceptions | Format-List

This command retrieves a list of exceptions and their values that are configured on the transport rule RuleName.

(Get-TransportRule -Identity RuleName).Actions | Format-List

This command retrieves a list of actions and their values that are configured on the transport rule RuleName.

Remove-TransportRule -Identity RuleName

This command removes the transport rule RuleName.

New-JournalRule -Name "JournalRuleName" -Recipient MailboxToJournal@contoso.com -JournalEmailAddress "Journal Reports" -Scope Global

This command creates the journal rule JournalRuleName. Copies of all e-mail messages set to and from MailboxToJournal@contoso.com are sent to the mailbox Journal Reports as attachments within journal message envelope. The journal rule is enabled upon creation. Valid values for the Scope parameter are Internal, External, and Global.

Set-JournalRule -Identity JournalRuleName -Recipient DistributionGroupToJournal@contoso.com

This command modifies the journal rule JournalRuleName by setting the value of the Recipient parameter to DistributionGroupToJournal@contoso.com.

Set-TransportConfig -JournalingReportNdrTo AltJournalReports@contoso.com

This command configures Exchange to redirect journal reports to AltJournalReports@contoso.com if the primary journaling mailbox is temporarily unavailable.