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Barracuda Campus Barracuda Campus

Restrict Inbound Mail to the Barracuda Email Security Service IP Range

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For a list of Essentials options and setup instructions, see Step 1 - Set Up Essentials for Office 365.

Select the PowerShell script to restrict inbound mail to the Barracuda Email Security Service IP range based on the region selected when setting up the your service.

Run the PowerShell script from your local system.

 

 Important

After updating your MX records, allow at least 24-48 hours before completing the steps in this section to allow the records to propagate.

PowerShell Script for the Australia Region
# New-InboundConnector -Name "Barracuda Inbound Connector" -RequireTls $true -SenderDomains * -SenderIPAddresses 3.24.133.128/25 -RestrictDomainstoIPAddresses $true
PowerShell Script for the Canada Region
# New-InboundConnector -Name "Barracuda Inbound Connector" -RequireTls $true -SenderDomains * -SenderIPAddresses 15.222.16.128/25 -RestrictDomainstoIPAddresses $true
PowerShell Script for the German Region
# Set-ExecutionPolicy unrestricted
# $UserCredential = Get-Credential
# $Session = New-PSSession -ConfigurationName Microsoft.Exchange -ConnectionUri https://outlook.office365.com/powershell-liveid/ -Credential $UserCredential -Authentication Basic -AllowRedirection
# Import-PSSession $Session
New-InboundConnector -Name "Barracuda Inbound Connector" -RequireTls $true -SenderDomains * -SenderIPAddresses 35.157.190.224/27 -RestrictDomainstoIPAddresses $true
PowerShell Script for the UK Region
# Set-ExecutionPolicy unrestricted
# $UserCredential = Get-Credential
# $Session = New-PSSession -ConfigurationName Microsoft.Exchange -ConnectionUri https://outlook.office365.com/powershell-liveid/ -Credential $UserCredential -Authentication Basic -AllowRedirection
# Import-PSSession $Session
New-InboundConnector -Name "Barracuda Inbound Connector" -RequireTls $true -SenderDomains * -SenderIPAddresses 35.176.92.96/27 -RestrictDomainstoIPAddresses $true
PowerShell Script for the US Region
# Set-ExecutionPolicy unrestricted 
# $UserCredential = Get-Credential
# $Session = New-PSSession -ConfigurationName Microsoft.Exchange -ConnectionUri https://outlook.office365.com/powershell-liveid/ -Credential $UserCredential -Authentication Basic -AllowRedirection 
# Import-PSSession $Session
# New-InboundConnector -Name "Barracuda Inbound Connector" -RequireTls $true -SenderDomains * -SenderIPAddresses 64.235.144.0/24,64.235.145.0/24,64.235.146.0/24,64.235.147.0/24,64.235.148.0/24,64.235.149.0/24,64.235.150.0/24,64.235.151.0/24,64.235.152.0/24,64.235.153.0/24,64.235.154.0/24,64.235.155.0/24,64.235.156.0/24,64.235.157.0/24,64.235.158.0/24,64.235.159.0/24,209.222.80.0/24,209.222.81.0/24,209.222.82.0/24,209.222.83.0/24,209.222.84.0/24,209.222.85.0/24,209.222.86.0/24,209.222.87.0/24 -RestrictDomainstoIPAddresses $true
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