A Windows System Admin's Blog

Covering Server Administration, Endpoint Management, Scripting and Network Management

Bypassing Anti-Spam on an Exchange 2007/2010 Receive Connector

,

I was looking at an old Exchange environment that was being used to send bulk mail outs. We noticed every now and again a bunch of e-mails would not be getting sent, trawling through Message Tracking Logs we could see that the messages were failing because of an AGENT FAIL which usually means that there is a transport agent blocking those messages.

The customer still wanted the anti-spam agents enabled so instead we used PowerShell to modify the receive connector to bypass the Spam Filtering by giving the anonymous logon extended right ms-exch-bypass-anti-spam. Use the following PowerShell cmdlet and modify the Receive Connector with the name of your Connector.

Get-ReceiveConnector "Receive Connector" | Add-ADPermission -User "NT AuthorityAnonymous Logon" -AccessRights ExtendedRight -ExtendedRights ms-exch-bypass-anti-spam

Hope that helps.

Leave a Reply

More Posts

Testing Conditional Access Policies with What If

I was recently helping out a colleague in implementing and testing some new conditional access policies around Geo Blocking and we wanted to understand if what we had setup was going to work. Traditionally this can be quite difficult depending on your scenarios, however Microsoft have recently introduced What If, so that you can test […]

Using PowerShell to Manage Windows Server DNS entries

Firstly, Happy new year. Anyway, I was recently tasked with creating a large number of DNS entries on our internal DNS servers. To accomplish this I decided to use PowerShell to perform an import of a CSV file that I had been given that already had my DNS entries. There was a header row with […]

Testing Conditional Access Policies with What If

I was recently helping out a colleague in implementing and testing some new conditional access policies around Geo Blocking and we wanted to understand if what we had setup was going to work. Traditionally this can be quite difficult depending on your scenarios, however Microsoft have recently introduced What If, so that you can test […]