Monday, April 23, 2012

Allow Anonymous Relay on an Exchange 2010 Receive Connector

1. Create a New Receive Connector
New-ReceiveConnector -Name "Anonymous Relay" -Usage Custom -PermissionGroups AnonymousUsers -Bindings 10.2.x.xx:25 -RemoteIpRanges 192.168.x.xx 

2. Grant Relay Permission to Anonymous Connections

Get-ReceiveConnector "Anonymous Relay" | Add-ADPermission -User "NT AUTHORITY\ANONYMOUS LOGON" -ExtendedRights "Ms-Exch-SMTP-Accept-Any-Recipient"

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