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Change SMTP HELO command Exchange 2010 Setting SMTP Banner ...
(posted by Steven A on 2012-02-01 17:44:26)

How to change the domain name that my Exchange 2010 SMTP service sends in response to the SMTP HELO command.



    Do Not set this in Exchange Transport
    “Specify the fqdn this connector will provide in response to EHLO” option in the receive connector as a means to set the banner. It is NOT the right way to do it.

    The “banner” parameter of the Set-ReceiveConnector cmdlet needs to be used to configure the banner. Run the command below to set the banner. The banner text should start with 220, as stated in RFC 2821.

    Open Exchange Management Shell
    Set-ReceiveConnector –identity “ServerConnectorname” –Banner “220”

    Replace the ServerConnectorname with the Name In your Exchange Management Console - Server Configuration - Hub Transport - Default x


    If you want to add the date you can

    220  Microsoft ESMTP MAIL service ready at  



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